Part D
Today, coral reefs cover approximately 284,300 square kilometers. Corals depend on calcium carbonate to build their skeletons. Some scientists predict that by 2050, only 15% of coral reefs will have sufficient levels of calcium carbonate required for growth. By these estimates, how many square kilometers of coral reefs will be damaged by low calcium carbonate levels? Show your calculations.
Answers
The coral reefs will be damaged by low calcium carbonate levels is 85% that is 241,655 km².
What is coral reef?Corel reef is defined as the massive underwater structures made of coral, which are colonial marine invertebrates. They are very important as they are the major source of food and development of new medicines.
If there is only 15% sufficient levels of calcium carbonate, that means =85% will be damaged by low levels of calcium carbonate by 2050.
Presently there are 284,300 km² of coral reefs.
When 85% are damaged, then
= 284,300 x 85%
= 241,655 km²
Thus, the coral reefs will be damaged by low calcium carbonate levels is 85% that is 241,655 km².
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Related Questions
Which vegetables are the most and least similar to wild cabbage? What does
this tell you about the selective breeding process for each vegetable?
Answers
The most similar vegetables to wild cabbage include broccoli, cauliflower, kohlrabi, kale, and Brussels, while selective breeding can be used as a process to improve crop features.
What is the procedure of selective breeding in crops?The procedure of selective breeding in crops makes reference to the genetic cross between plants in order to select F1 with desired features.
Therefore, with this data, we can see that the procedure of selective breeding in crops is very useful in order to improve phenotypic features such as yield and or resistance to diseases in such crops.
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when farming overgrazing climate change and or seasonal drought change farmland into land that cannot support plant life, it is called?
Answers
Answer: Desertification
Explanation:
At a ____________ tectonic plate boundary, plates move away from each other.
Answers
Answer:
divergent boundary is correct answer
Phosphorous (P) and chlorine (Cl) bond covalently to form the important industrial compound phosphorous trichloride. The diagrams below show the electron structures of phosphorous and chlorine. On left, a purple circle labeled P surrounded by 3 concentric circles. The inner circle has 2 small green spheres. The second circle has 8 small green spheres. The third circle has 5 small green spheres. On right, a purple circle labeled C l surrounded by 3 concentric circles. The inner circle has 2 small green spheres. The middle circle has 8 small green spheres. The outer circle has 7 small green spheres. Which diagram shows how the covalent bonds most likely form in a phosphorous trichloride molecule? At center, P connected above by 2 lines to C l with 2 dots each on right, left, top. Also connected by 1 line at left to C l with 2 dots each above, below, left. Also connected by 1 line at right to C l with 2 dots each above, below, right. At center, P connected above by 2 lines to C l with 2 dots each on right, left, top. Also connected by 2 lines at left to C l with 2 dots each above, left. Also connected by 2 lines at right to C l with 2 dots each above, right. At center, P connected above by 1 line to C l with 2 dots each on right, left, top. Also connected by 1 line at left to C l with 2 dots each above, below, left. Also connected by 1 line at right to C l with 2 dots each above, below, right. P also has 2 dots below. At center, P connected above by 2 lines to C l with 2 dots each on right, left, top. Also connected by 1 line at left to C l with 2 dots each above, below. Also connected by 1 line at right to C l with 2 dots each above, below.
Answers
The chlorine atoms are all arranged around the phosphorus central atom in a trigonal pyramidal geometry.
What is the structure of a molecule?We know that a molecule is made up of atoms, the atoms that make up a molecule are arranged in a definite pattern. The pattern that these atoms are arranged along with the positioning of electron pairs around the central atom is what determines the shape of the molecule.
Now we know that the phosphorous trichloride molecule is composed of one atom of phosphorus and three atoms of chlorine which are all held by covalent bonds.
The chlorine atoms are all arranged around the phosphorus central atom in a trigonal pyramidal geometry. The small green spheres shows the electrons that surround the chlorine atom.
The correct structure of the phosphorous trichloride have been shown in the image attached to this answer.
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what structure help to keep the stem's shape and up right position?
Answers
Answer:
The cell wall.
Explanation:
the natural aging process has a more apparent effect on ______________ muscle fibers, which results in ______________ power.
Answers
The natural aging process has a more apparent effect on type 2 muscle fibers, which results in anaerobic power.
What is natural aging?Natural aging is defined as a natural process that develops at ambient temperature through the aging of precipitated solid solutions. We experience and define aging as the increasing degradation to these structures and functions.
A number of physical changes associated with aging include muscular loss, minor cognitive decline, and a diminished sense of taste and smell. Older persons may find it more challenging to achieve their dietary demands as a result of these changes.
Thus, the natural aging process has a more apparent effect on type 2 muscle fibers, which results in anaerobic power.
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Which of the following is a quality of building ledges and roofs in urban environments that lead birds to nest there?
High nests allow birds to easily collect water when it rains.
High nests increase the number of parasites that are present.
High nests allow birds to remain cool in the heat of the summer.
High nests reduce the number of predators that can reach baby birds.
Answers
The following is a quality of building ledges and roofs in urban environments that leads birds to nest: high nests reduce the number of predators that can reach baby birds; that is the last option.
What is the significance of the high nest?Birds who build high nests generally protect themselves from predators such as the nesting sites on building ledges and roofs can provide a secure and sheltered location for birds to raise their young.
Hence, the following is a quality of building ledges and roofs in urban environments that leads birds to nest: high nests reduce the number of predators that can reach baby birds; that is the last option.
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A bacterium called Salmonella can cause
food poisoning.which kingdom is it in?
Answers
Answer:
monera kingdom
Explanation:
Answer:
The kingdom is Monera Kingdom
Explanation:
Which nucleic acid is pictured on the right? Justify
Answers
- Uracil
- Adenine
- Guanine
- Cytosine
Explanation:
Since we only have one strand shown, I'm going to assume it is RNA. Both DNA and RNA have nucleic acids, but RNA has 1 different nucleic acid; it replaces Thymine with Uracil. So the 4 nucleic acids are uracil, adenine, guanine, and cytosine.
If the picture shown is a cross-section of DNA, then our 4 nucleic acids are adenine, thymine, guanine, and cytosine.
Answer:
RNA is pictured on the right, with one strand of nucleotides consisting of a phosphate group, the sugar ribose, and on of four nitrogenous bases.
Explanation:
Did the test
Claim:
Island's weather will continue to be most like the
weather where orangutans live.
Answers
The claim states that the weather on an island will continue to be most like the weather where orangutans live. To evaluate this claim, we need to consider several factors:
Native Habitat: Orangutans are native to the tropical rainforests of Southeast Asia, including Indonesia and Malaysia. These regions typically experience a warm and humid climate throughout the year.Island Location: The specific location of the island in question is crucial in determining its weather patterns. Islands can vary greatly in terms of their geographical location, size, and surrounding bodies of water, which can influence climate.Island's Climate: To determine if the island's weather is similar to that of orangutan habitats, we need to assess its climate. This involves analyzing factors such as temperature, rainfall, humidity, and seasonal variations.Without specific details about the island in question, it is difficult to make a definitive assessment. However, if the island is located within or near the equatorial belt and shares similar climatic conditions with Southeast Asian rainforests, it is more likely to have weather resembling that of orangutan habitats.
It is important to note that climate can vary even within a specific region, so a thorough analysis of the island's climatic data would be necessary to make an accurate comparison. Additionally, factors such as changes in global climate patterns over time may also impact the accuracy of this claim.
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Identify Center for Disease Control (CDC) regulations that impact healthcare practices. (Hint:
Discuss how the CDC regulations will impact you and others in the healthcare environment.)
Answers
The CDC plays an important role in protecting public health and safety by providing evidence-based recommendations and guidelines to healthcare providers and public health officials.
Identify Center for Disease Control (CDC) regulations that impact healthcare practices.The Centers for Disease Control and Prevention (CDC) is a federal agency in the United States that is responsible for protecting public health and safety through the prevention and control of disease, injury, and disability.
The CDC has developed guidelines for preventing and controlling the spread of infectious diseases in healthcare settings. These guidelines cover topics such as hand hygiene, personal protective equipment (PPE), isolation precautions, and environmental cleaning.
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SCENARIO ABiological anthropologists have discovered a previously unknown fossil species namedAustralopithecus sediba. The species lived about 2 million years ago in Africa and has an interesting mix of traits. For example, its arms are adapted for climbing in trees and its legs are adapted for walking on two legs on the ground. It does not directly resemble any of the living ape species, which suggests that the living ape species (including humans) have each become adapted for their own environmental contexts over time.What is the primary type of biological anthropology addressed in this research?A. Human biologyB. Forensic anthropologyC. PaleoanthropologyD. PrimatologyDoes the research also touch on topics that might be relevant to researchers in disciplines outside anthropology, such as biology, geology, psychology, medicine, sociology, or criminology? Which of the following disciplines would be most relevant?A. PsychologyB. BiologyC. CriminologyD. SociologyHow does this research relate to human evolution? In other words, what can we learn about human evolution from research along these lines?
Answers
Answer:
In scenario A A. Human biology
Which of the following disciplines would be most relevant?
B. Biology
Explanation:
In scenario A Australopithecus sediba arms are adapted for climbing in tree and its legs are adapted for walking on two legs. Australopithecus is related to homo habilis and also homo erectos. They are different human primate.
B. Biology because there are fossil remains dated to about 2 million years ago.
Why is it said that natural selection acts on phenotypes rather than on the genetic material of organisms?
Answers
Answer:
It's because an organism's phenotype, or physical traits, are what truly decide whether it can reproduce and pass on its genotype to the following generation.
Because the phenotype of an organism represents the alleles that are actually expressed in that organism, natural selection affects that phenotype.
Explanation:
Ecologists are interested in quantifying different kinds of biodiversity. In below study outlined here, which kind of biodiversity are ecologists studying?
Ecologists establish 20 small areas, called plots, randomly scattered across a California grassland. They count the number of different plant species present in each plot. By noting how many species appear in the plots, the ecologists are able to estimate the number of species in the entire grassland.
a. Genetic diversity
b. Functional diversity
c. Ecosystem diversity
d. Species diversity
Answers
Answer:
d. Species diversity
Explanation:
The species diversity can be measured by:
Species richness: Refers to the number of species are inhabiting a defined area. Species abundance: Describe the distribution of the species abundance.Species richness is the number of species present in a sample, within a community, habitat or microhabitat, ecosystem, landscape, region or any well-defined spatial unit. It is a metric for measuring biodiversity which simplicity and easy interpretation make it a standard metric. It is the simplest and straightforward measure of biodiversity. It is just a count of species, with no need for abundance data. In some cases, this can be the cause of criticism, as it ignores information about the species-abundance distribution.
Is enzyme activity a form of cell regulation
Answers
Enzymes can be regulated by other molecules that either increase or reduce their activity. Molecules that increase the activity of an enzyme are called activators, while molecules that decrease the activity of an enzyme are called inhibitors.
Sickle cell anemia, a recessive deadly blood cell disease, is much more common in tropical climates because carriers (heterozygotes) are resistant to a deadly parasitic disease carried by mosquitoes (malaria). Given this information which of the following scenarios is a possibility?
A. The widespread availability of any drug that protects a population from malaria will have the side effect of reducing deaths from sickle cell anemia over many generations.
B. Having malaria will begin to give immunity to sickle cell anemia as well.
C. Populations in areas where there are fewer mosquitoes will have more and more sickle cell anemia as time goes on.
D. Genetie drift will always be so strong in these populations that none of this selection will be impactful, even for extremely large populations.
E. Over many generations the mosquitses must develop sickle cell anemia too.
Answers
Answer:
B. Having malaria will begin to give immunity to sickle cell anemia as well.
Explanation:
Malaria is one of the common disease caused by mosquitoes. It is believed that sickle cell disease gets deadly when malaria happens to the person. Sickle cell disorder is the reduction in healthy red blood cells which can carry oxygen throughout the body.
explain two types of relationship with different people
Answers
Answer:
Family relationship and friendship relationship.
Explanation:
Family relationship and friendship relationship are the two types of relationship that exists between different people in the society. Family relationship refers to the relationship that exists between family members with one another such as father-son, husband-wife etc while on the other hand, friendship relationship exists between friends which is a very beautiful relationship.
6. An environmental assessment of land to be developed might describe the weather and climate,
animals, vegetation, microorganisms, soils and rocks, pathways of water, and composition of water.
Briefly describe five of the fields of science that play a role in such an environmental assessment. (10
points)
Answers
The fields of science are; Ecology, geology, hydrology, atmospheric science and micro biology.
What are the fields of science?Ecology: Ecology is the study of how organisms interact with their environment, and it is essential in assessing the potential impacts of land development on the natural environment. Ecologists can identify and describe the plants and animals that live in the area and their interactions with each other and the environment.
Geology: Geology is the study of the physical structure, composition, and history of the Earth, including rocks, minerals, and landforms. It is critical in assessing the geological characteristics of the land to be developed, including soil types, rock formations, and geological hazards like landslides.
Hydrology: Hydrology is the study of water in the environment, including its distribution, movement, and quality. It is important in assessing the potential impacts of land development on the local water resources, including the pathways of water through the environment, the water cycle, and the effects of pollution on water quality.
Atmospheric Science: Atmospheric science is the study of the Earth's atmosphere, including its composition, structure, and dynamics. It is important in assessing the potential impacts of land development on the local weather and climate, including changes to temperature, precipitation, and air quality.
Microbiology: Microbiology is the study of microorganisms, including bacteria, viruses, and fungi. It is critical in assessing the potential impacts of land development on the local ecosystem, including the potential for contamination of the soil, water, and air by harmful microorganisms.
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SECTION B: QUESTION 2 2.1 The diagram below shows part of the human ear. 2.1.1 2.1.2 2.1.3 2.1.4 E A B C Explain the consequence if structure E lost its flexibility. Describe the process of hearing. D 2.Z Identify structures A and B Give the LETTER and the NAME of the parts that: (a) equalises pressure on both sides of the tympanic membrane (b) absorbs excess pressure waves from the inner ear (2) (2) (2) (2) (7) (15)
Answers
If structure E (stapes) lost flexibility, it would impair sound transmission, leading to hearing sensitivity.
Process of hearing: Sound waves enter the ear, vibrate the eardrum (tympanic membrane). Ossicles (A: malleus, B: incus) amplify vibrations to inner ear. Vibration of fluid in cochlea stimulates hair cells, converting to electrical signals for interpretation.
Structure A: Malleus
Structure B: Incus
(a) Structure C (eustachian tube) equalizes pressure on both sides of the tympanic membrane.
(b) Structure D (round window) absorbs excess pressure waves from the inner ear.
If structure E, which is the ossicles (specifically the malleus, incus, and stapes), lost its flexibility, it would have a significant consequence on hearing. The ossicles play a crucial role in the process of sound transmission. They amplify sound vibrations that enter the ear through the outer ear and transfer them to the inner ear. The flexibility of the ossicles allows them to vibrate in response to sound waves, transmitting these vibrations to the fluid-filled cochlea in the inner ear.If structure E lost its flexibility, the transmission of sound vibrations would be impaired. This would result in a reduced ability to perceive and interpret sound. Hearing sensitivity would be significantly compromised, and sounds may appear muffled or distorted. It may become challenging to distinguish different pitches or understand speech clearly.The process of hearing involves several steps. When sound waves enter the outer ear, they travel through the ear canal and reach the eardrum (tympanic membrane). The vibrations of the eardrum are then transferred to the ossicles (structures A and B in the diagram), which amplify and transmit the vibrations to the cochlea (structure C). The cochlea is responsible for converting the mechanical vibrations into electrical signals that can be interpreted by the brain. These signals are then sent to the brain via the auditory nerve, where they are processed and perceived as sound.Structure A, known as the Eustachian tube, equalizes pressure on both sides of the tympanic membrane. It connects the middle ear to the back of the throat, allowing air to flow in and out, maintaining equal pressure on both sides of the eardrum.Structure B, called the round window, acts as a pressure relief valve. It absorbs excess pressure waves from the inner ear, preventing damage to delicate structures by allowing fluid in the cochlea to move in response to the sound vibrations.Overall, the ear is a complex and intricate system that relies on the interaction of various structures to enable the sense of hearing.For more such questions on Hearing sensitivity:
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Hearing involves a process of sound wave transduction through the tympanic membrane and ossicles. If the tympanic membrane (E) loses its flexibility, sound quality may diminish. The Eustachian tube and cochlea serve to manage pressure within the ear.
Explanation:The process of hearing (audition) involves the transduction of sound waves into a neural signal. When the tympanic membrane (structure E in your diagram), or eardrum, is struck by sound waves, it vibrates. These vibrations are then transferred to the ossicles, which are three small bones in the middle ear. The ossicles are identified as structures A (Malleus or Hammer) and B (Incus or Anvil) in your diagram. Sound waves are finally transduced into a neural signal in the inner ear.
If the tympanic membrane was to lose its flexibility, it would not vibrate as effectively when struck by sound waves. This could diminish the quality of sound and potentially lead to hearing loss.
The Eustachian tube equilibrates air pressure on both sides of the tympanic membrane. This would be your answer to part (a) of the lettered question. Part (b) refers to the role of the cochlea in the inner ear, which helps to absorb excess pressure waves from the inner ear.
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breathing in physical phenomenon. what movement does happen when a person breathe in?
Answers
When a person breathes in, the diaphragm contracts and the lungs expand, creating a vacuum that draws air into the lungs. The air is then circulated through the lungs, where oxygen is absorbed and carbon dioxide is released.
What should know about the body parts that functions when you breath-in?The diaphragm is a vital muscle in inhaling (breath-in) and exhaling, separates the chest cavity from the abdominal cavity.
When the diaphragm contracts, it flattens and moves down. This increases the space in the chest cavity, which causes the lungs to expand. The lungs are elastic, so they expand when the space around them increases.
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what is the divsion of the nucleus
Answers
Answer:
Explanation:
Nuclear division is the process of dividing the nucleus. Nuclear division is the process through which the nucleus of a cell splits, producing two daughter nuclei, each with a full set of chromosomes. Mitosis and meiosis are the two basic kinds of nuclear division.
A mitosis is a form of nuclear division that happens in somatic cells and is crucial for tissue development and repair. Mitosis occurs when the nucleus' chromosomes are duplicated, and the cell splits into two identical daughter cells, each with the same number of chromosomes as the parent cell.
Meiosis is a type of nuclear division that happens in reproductive cells and is responsible for sperm and egg cell production. The nucleus' chromosomes are duplicated during meiosis, and the cell divides into four non-identical daughter cells, each having half the number of chromosomes as the parent cell.
Mitosis and meiosis are both required for living creatures to grow, repair, and reproduce.
Need this asp
Nucleotides contain sugar, a phosphate group, and a nitrogen base. Which of the following is a nitrogen base? (1 point)
A. ribose
B. tyrosine
C. deoxyribose
D. guanine
Answers
Answer:
D
Explanation:
Guanine is a nitrogen base
What is the probability that unicorn offspring will have a white horn? Brown horn?
Answers
The probability that the offspring will have a white horn is 3 out of 4, or 75%.
In unicorns, the trait of having a white horn (W) is considered dominant over having a brown horn (w). When two heterozygous unicorns, each carrying one dominant white horn allele (W) and one recessive brown horn allele (w), are crossed, the probability of their offspring having a white horn can be determined using Punnett squares.The possible genotypes of the parent unicorns are Ww and Ww. When these genotypes are crossed, the potential offspring can inherit one of the following genotypes: WW, Ww, Ww, or ww. Out of these options, three of them (WW, Ww, Ww) contain at least one dominant white horn allele, resulting in a unicorn with a white horn. Therefore, the probability that the offspring will have a white horn is 3 out of 4, or 75%. This calculation is based on the assumption that the genetic traits are inherited independently and follow Mendelian inheritance patterns.For more questions on genotypes
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Note: The question would be as
In unicorns, having a white horn (W) is dominant to having a brown horn (w). Two heterozygous unicorns are crossed. What is the probability that the offspring will have a white horn?
Is it possible to find a cloud in a museum? Why?
Answers
Answer:
yes
Explanation:
cloud chambers are known things in some museums, which makes it possible to have a cloud in a museum.
Answer:
no
Explanation:
beacuse cloud are seen outside a building and a museum is a building.beacuse your view is blocked by the seling of the museum
Write a question to match this answer:
6 boxes of 12
Answers
Answer:
The chocolate lover bought 6 boxes of chocolate, each containing 12 truffles
Explanation:
mark me brainly
Answer:
The chocolate lover bought 6 boxes of chocolate, each containing 12 truffles. How many truffles did she buy?
eweeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeewewee
Answers
Answer:ewe
Explanation:
ewe.
what current practices affect soil ph?
Answers
Answer:
Soil pH can be managed by practices such as applying the proper amount of nitrogen fertilizer, liming, and using cropping systems that increase soil organic matter content and improve overall soil health. Inherent factors that affect soil pH include climate, mineral content, and soil texture
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In response to shortened day length and cool temperatures in the fall, many trees begin a period of senescence when the breakdown of chlorophyll exceeds chlorophyll production. The leaves of these trees appear to change to yellow and orange. Using your knowledge of photosynthetic pigments, explain the source of these yellow-orange hues.
Answers
Answer:
In response to shortened day length and cool temperatures, many trees begin a period of senescence where the breakdown of chlorophyll exceeds chlorophyll production. The leaves of these trees appear to change to yellow and in orange.
Xanthophylls and carotenoids are the pigments that result in the yellow-orange colour of leaves mostly occuring in the senescent leaves.
What is meant by senescence?
It is the process by which leaves get deteriorated with age and the power of division and growth is lost. It occurs throughout the lifespan including embryogenesis. It plays an important role during development as well as wound healing.
Cold temperature can decrease the plant's enzymatic activity and disrupts the plant's nutrient intake this results in a decrease in the growth of the plant and causes senescence.
Events that occur during senescence in plants include:
Disintegration of chloroplastsbreakdown of leaf proteinsloss of chlorophyllCessation of photosynthesisLeaf senescence is primarily associated with aging. It can also be induced by environmental inputs including biotic and abiotic stresses.
During senescence, cessation of cell division and permanent withdrawal from the cell cycle occurs and the leaves fall after they change colour to yellow and orange because of pigments xanthophyll and carotenoids.
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Part 1. Gene Cloning
1) How is a gene inserted into a plasmid cloning vector? Be specific, but be brief. No more than 2 (non-run-on) sentences please, and do not exceed this space.
2) A geneticist has transformed a vector with an ampicillin resistance gene into E. coli cells and plated those cells on media containing ampicillin. She comes back 24 hours later and sees only blue colonies on the media.
a) How does she know that the cells growing on the media were successfully transformed with the vector?
b) What does it mean that the colonies are blue?
Answers
In terms of genetics and genomics, cloning refers to the use of scientific techniques to create exact or nearly exact duplicates of an organism, cell, or DNA sequence.
Thus, In most cases, the term "molecular cloning" refers to isolating and duplicating a specific DNA segment of interest for future research.
The term "cloning" refers to a laboratory procedure that creates millions or even billions of copies of a single molecule, most frequently DNA. In contrast to how the terms cellular cloning and organism cloning are used in reproductive genetics, this is not cloning.
We can investigate the molecules in the lab by amplifying or creating numerous copies of the DNA using molecular cloning.
Thus, In terms of genetics and genomics, cloning refers to the use of scientific techniques to create exact or nearly exact duplicates of an organism, cell, or DNA sequence.
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why does biodiversity occour
Answers
habitat loss and fragmentation, over-exploitation for commercialization, invasive species, pollution, global climate change, illegal wildlife trade, and species extinction