Answers
Answer:
B- bacteria
Explanation:
Like plants, many bacteria contain chloroplasts or blue-green pigments, which means they can photosynthesize and thus create their own food by absorbing sunlight. Because these bacteria can create their own energy, they are classified as autotrophs.
Related Questions
Nature overcomes some natural disasters such as when a flooded mangrove forest or a Burnt forest are reborn study the photos on the right and give examples of how an old ecosystem might be destroyed and make way for a different ecosystem
Answers
Another example is a wildfire. Wildfires can burn through forests and grasslands, destroying existing vegetation and wildlife. However, some plant species are adapted to survive wildfires, and their seeds may remain in the soil or be released after the fire. These plants can quickly grow back and start to rebuild the ecosystem. The burned areas can also become home to new plant species that thrive in the nutrient-rich soil that results from the fire.
A third example is a flood. Floods can inundate an area and destroy existing vegetation and wildlife. However, in areas like wetlands and mangrove forests, floods can also bring in new nutrients and sediment, creating new habitat for different plant and animal species. The flooded areas can also become breeding grounds for fish and other aquatic species, leading to the formation of a different ecosystem.
What compound is this?
Carbohydrates
Lipids
Nucleic Acids
Proteins
Answers
The picture shows active transport of sugar molecules into the cell.
Why do cells perform this process?
Extracellular
fluid
Cytoplasm
To communicate with one another
To obtain important nutrients
To obtain their genetic code
To store carbon dioxide
Answers
During which month is carrying capacity most likely to be limited by water?
O A. August
• B. November
c. September
O D. June
Answers
The month that is carrying capacity that is most likely to be limited by water is: c. September.
What is the carrying capacity?This is due to the graph's apparent abrupt dip in water level around September, which indicates a decrease in the amount of available water resources.
As a result, the low water supply during this month may limit the carrying capacity, which refers to the maximum number of people that an area can support sustainably.
Therefore the correct option is C.
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Answer:
A
Explanation:
Jon lives on the coast of California, near the Pacific Ocean. A cold current flows past the coast. What is the most likely effect of the cold water current on the climate where Jon lives?
A: The climate would be less humid than nearby inland areas.
B: The cold water current would keep summer weather cooler than nearby inland areas.
C: The climate would have weather that changes more throughout the year than nearby inland areas.
D: The cold water current would cause the area to have warmer weather year-round than nearby inland areas..
Please help.
Answers
Answer:
a
Explanation:
Answer:
i think c?
Explanation:
hope this helped
As scientists have developed more productive crop varieties, farmers have switched from growing many traditional varieties to new high-yield varieties. For example, in Peru, there are about 500 native varieties of potatoes that Indians once grew. This has been reduced to about 20 genetically improved potato varieties worldwide.
Besides the number of varieties of potatoes being reduced, what else is reduced by this practice?
Responses
Answers
Besides the number of varieties of potatoes being reduced, several other aspects may be affected by the switch to growing fewer high-yield varieties. Some of these include:
1. Genetic diversity: With the cultivation of a smaller number of high-yield varieties, the genetic diversity within the potato crop is significantly reduced. This reduction in genetic diversity can make the crop more susceptible to diseases, pests, and environmental changes. It also limits the potential for future breeding and genetic improvement.
2. Resilience and adaptability: Native varieties often possess unique traits that make them well-adapted to specific local conditions, such as resistance to pests, diseases, and environmental stresses. By focusing on a limited number of high-yield varieties, the resilience and adaptability of the potato crop may be compromised, increasing its vulnerability to external factors.
3. Cultural heritage and traditional knowledge: The shift towards high-yield varieties may result in the loss of traditional varieties that hold cultural and historical significance. Indigenous communities often have deep-rooted connections to specific potato varieties, which carry cultural and traditional knowledge associated with their cultivation and use. The loss of these traditional varieties diminishes cultural diversity and the preservation of indigenous knowledge systems.
4. Nutritional diversity: Traditional varieties of potatoes can have different nutritional profiles, offering a range of beneficial compounds and micronutrients. By reducing the number of varieties, the potential for accessing a diverse range of nutrients from different potatoes is also diminished, potentially impacting the nutritional diversity of diets.
5. Ecological balance: The cultivation of a limited number of high-yield varieties may disrupt the ecological balance in agricultural ecosystems. Native varieties often coexist with local flora and fauna, contributing to biodiversity and ecosystem services. The reduction in potato varieties can impact these interactions, potentially leading to ecological imbalances and negative consequences for overall ecosystem health.
It is important to consider these factors when making decisions about crop cultivation, aiming for a balance between high yields and preserving genetic diversity, cultural heritage, ecological sustainability, and nutritional resilience.
Help pls I really need it?
Answers
Answer:complex
Explanation:
i am looking for the answer key to the category 1: cell structure and function biology staar review
Answers
Studying the necessary content, going through lecture notes and textbooks, and working through practise questions and quizzes are the best ways to get ready for an exam.
How do cells work and how do they look?Cells are the essential building components of all living things.There are many billions of cells in a human body. In addition to providing the body with structure, they also absorb nutrients from meals, convert those nutrients into energy, and carry out certain jobs.
Who first identified cells?The cell has a long and interesting history, beginning with Robert Hooke's discovery in 1665 and leading to many of today's scientific discoveries.
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writer four adaption of toad on land and four adaption of toad in water
Answers
dezz nutes dhxusedgedwaegsouedhfvw4eouaskjehfbwejebwqdfvj banesdjbzxExplanation:jawhgfusdhekjdfwhrdhfwohfdcoiwhf
Adaptation (Structure and Function)
Toads are well adapted for life on land, with thicker, more protective skin than most frogs. Their slightly webbed back feet help them dig into the soil to protect them in colder temperatures.
!! ⬇️
Frogs have many adaptations that help them survive. They have bulging eyes and strong legs to help them with hunting, swimming, and climbing, and their skin may be brightly colored or camouflaged.
Frog adaptations such as a small waist, no neck and a broad, flat skull make his body streamlined for swimming. The frog's skin is thin, which allows for air to pass through, in effect allowing him to breathe through his skin. Powerful hind legs and feet allow the frog to jump long distances.
Once the product is released from the enzyme, after the reaction has taken
place, the enzyme is used up and the organism needs to produce more
enzyme for the next reaction.
O True
False
Answers
False. I say that because an enzyme remains unchanged in any aspects once it has been used. Hopefully I'm right, good luck.
Answer:
false is the answer
Explanation:
thanks
Describe the function of each organelle.
Ribosome
Answers
Ribosome - responsible for protein synthesis.
What is the role of ribosomes in protein synthesis?Ribosomes bind to and move along the mRNA, reading the information contained in the nucleotide sequence. Using this information, ribosomes select the appropriate transfer RNA (tRNA) molecules that carry the correct amino acids and combine them in a specific order to form protein chains.
This process takes place in her two phases:
First, the ribosome reads the mRNA in a process called translation, and second, the ribosome joins amino acids together in a process called elongation.When the protein chain is completed, it is released from the ribosome into its final three-dimensional structure. folded.
Ribosomes are essential to all living cells because proteins are building blocks of many cellular structures and play important roles in cell metabolism, growth, and function.
Where are ribosomes found in the cell?Ribosomes can be found in the cytoplasm of prokaryotic and eukaryotic cells, as well as attached to the endoplasmic reticulum in eukaryotic cells.
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Lesson Question:How can the presence of
one species benefit another in the same
ecosystem?
Check all correct elements below that you
included in your question.
independent variable: presence of one
species (here, worms)
dependent variable: effect on another
species (here, lima bean plants)
relationship: benefit
DONE
Answers
Mutualism is a type of symbiotic relationship where all species involved benefit from their interactions.
How can the presence of one species in the same ecosystem assist another?A mutualism occurs when two species have a long-term relationship that benefits both of them (+/+ interaction). Some fungi, for example, create mutualistic relationships with plant roots. The plant may photosynthesize and gives fixed carbon to the fungus in the form of sugars and other organic compounds.
The presence of several species in an ecosystem balances it. The species in an ecosystem interact with one another in some way. For example, the existence of a plant species will offer food for the numerous herbivores found in an ecosystem. A predator may consume a variety of prey. As a result, the existence of diverse prey reduces the likelihood of a species becoming extinct in the ecosystem. As a result, all creatures in an ecosystem are dependent on one another in some way.
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             Q 3 of 5 A pathogen is an organism that: is only found in food. causes spoilage. is in all food. causes disease.
Answers
A pathogen is an organism that causes disease and can be present in food, but not all food contains pathogens.
A pathogen is a type of microorganism that causes disease in humans or animals.
Unlike spoilage organisms that simply cause food to go bad, pathogens can cause serious illness and even death in some cases.
Pathogens can be found in many different types of food, including meat, poultry, eggs, dairy products, fruits, and vegetables.
They can be transmitted through contaminated water, soil, or air, as well as through person-to-person contact.
Common examples of foodborne pathogens include Salmonella, Listeria, E. coli, and Campylobacter.
It is important to properly handle and prepare food to reduce the risk of pathogen contamination.
This includes washing hands and surfaces frequently, cooking food to the appropriate temperature, and storing food at the correct temperature.
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The area drained by a river or river system is called a:
fjord
delta
moraine
watershed
Answers
Answer:
watershed
Explanation:
Which base does Cytosine pair with?
A. Adenine
B. Guanine
C. Uracil
D. Thymine
Answers
Cytosine, a nitrogenous base found in DNA and RNA, pairs with guanine. The correct answer is option B.
This pairing is based on the complementary base pairing rule in which cytosine forms three hydrogen bonds with guanine. The other base pairs in DNA are adenine with thymine, and in RNA, adenine pairs with uracil. The complementary base pairing is crucial for DNA replication and transcription processes. Cytosine and guanine, along with adenine and thymine/uracil, form the base pairs that make up the rungs of the DNA double helix structure.Understanding base pairing is fundamental to understanding the structure and function of nucleic acids. Therefore, the correct answer is option B.For more questions on DNA
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Cytosine pairs with Guanine.
Explanation:The base Cytosine pairs with the base Guanine in DNA. This base pairing is a key component of the double-stranded DNA structure.
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Which organisms release carbon dioxide as waste?
Answers
Answer:
Consumers, in general, are aerobic creatures that must breathe oxygen to sustain the cellular reactions that release the energy contained in food molecules. These reactions then generate carbon dioxide as a waste product. Animals feed on the plant passing the carbon compounds along the food chain. ... The animals and plants eventually die.
Explanation:
hope it helps
Answer:
B
Explanation:
What general trend does electronegativity follow on the periodic table? A It increases from left to right. O Bit varies randomly. C. Matemates between high and low values D. decreases from left to right
Answers
answer: it increases from left to right
explanation:
the electronegativity of atoms increases from left to right across a period in the periodic table; it also decreases as you move from top to bottom down a group in the periodic table
What role does the U.S. Constitution play in creating local governments?
OA. It requires that all local governments have constitutions based on
the federal document.
B. It gives the states the authority to create any local governments
they need.
OC. It gives the federal government the power to create any type of
local government.
D. It specifies the types of local governments that can be created by
the states.
Answers
Can you help me solve this
Answers
Answer:
Explanation:
All of them except "bacteria do not have chromosomes" is correct
the first experiment to produce "protocells" came from compounds found where?
1 point
A)from the Earth's core
B)From deep in the ocean
C)From sea water
D)from an asteroid
Answers
Which of the following nutrient provide more energy? a. Protein b. Carbohydrate c. Lipids d. Vitamins
Answers
The nutrient which provide more energy is C. Lipids
Among the given options, lipids provide the most energy per unit mass. Lipids, also known as fats, are a concentrated source of energy in the diet. When metabolized, lipids yield approximately 9 kilocalories (kcal) of energy per gram.
Carbohydrates, including sugars and starches, provide approximately 4 kcal of energy per gram. They are a readily available source of energy for the body, particularly for short-term energy needs. Proteins also provide approximately 4 kcal of energy per gram. However, their primary role is not as an energy source but rather as the building blocks for tissues, enzymes, and other important molecules in the body.
Vitamins, on the other hand, do not provide significant energy. They are essential for various biochemical processes in the body but do not contribute directly to energy production.
It is important to note that while lipids provide the most energy per gram, the overall balance and variety of nutrients in a diet are crucial for maintaining optimal health. Nutrient needs vary based on individual factors, such as age, sex, activity level, and overall health goals. Therefore, Option C is correct.
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In what form is radiation emitted from the Earth's surface back into the atmosphere? Via Brainpop
Answers
Answer:
infrared radiation
Explanation:
trust me
Answer:
heat / infrared radiation
Explanation:
the earth's surface traps a lot of sunlight that travels into the atmosphere. that energy is then sent back out in the form of heat.
what is the purpose of the micro filament formation that makes the mitotic spindle
Answers
Answer:
The mitotic spindles formed during prophase are composed of microtubules and have a ropelike structure. The function of the mitotic spindle is to help to equally divide the chromosomes in the parent cell to ensure that equal, identical copies are found in both daughter cells after mitosis is complete.
Explanation:
We transformed E coli cells with a plasmid modified to contain a ‘virulence factor’ which would allow growth on media containing the antibiotic kanamycin (Kan). The plasmid confers constitutive resistance to ampicillin (Amp).
Assume you were given competent cells of known transformation efficiency (TE). Assume TE= 1x10[6] (note 10[6] means 10 to the power of 6). You want to have about 1000 colonies on the P-200 plate. How many nanograms of plasmid should you use in the transformation reaction? Select only one answer.
Answers
We need 1 nanogram of plasmid in the transformation reaction when the transformation efficiency is given for 1000 colonies on plate P - 200.
Given the value of transformation efficiency (TE) = \(1 * 10^6\)
Number of colonies on the plate P-200 = 1000
To calculate the amount of plasmid (in nanograms) required for transformation, we need to first calculate the number of cells required for transformation.
To get desired number of cells we multiply the transformation efficiency and number of colonies given such that:
number of cells = \(TE (1*10^6) * 1000 colonies = 1 * 10^9 cells\)
Since 1 nanogram of plasmid is equivalent to \(1 * 10^9\) cells, we can conclude that we need to use 1 nanogram of plasmid in the transformation reaction.
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explain respiration cellular level
Answers
Answer:
first off not to be rude but its cellular and second,
Explanation:
Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from oxygen molecules or nutrients into adenosine triphosphate (ATP), and then release waste products.
Which of the following statements about survivorship curves is correct?
Answers
Answer:
A survivorship curve reflects the relationship of survival rate with age. best curves the statement about survivorship.
Explanation:
heyy mate! hope this helped you!
A survivorship curve is a graph that shows the proportion of individuals in a population surviving at different age intervals. The correct statement is that survivorship curve describes the pattern of mortality in a population over time. The correct option is C.
What is Survivorship curve?Survivorship curve describes the pattern of mortality in a population over time. The survivorship curve is divided into three types, i.e., Type 1, Type 2, and Type 3. Survivorship curve type 1 represents a high survival rate throughout the lifespan of the population. It shows that most individuals survive until old age, and the mortality rate increases at the end of the lifespan.
Survivorship curve type 2 shows a relatively constant rate of mortality throughout the lifespan of the population. It indicates that the probability of survival remains the same throughout life.
Survivorship curve type 3 represents high mortality rates among young individuals in a population. It shows that most individuals die young, and only a few individuals survive to adulthood.
Therefore, the correct option is C.
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Your question is incomplete, most probably the complete question is:
Which of the following statements regarding survivorship curves is correct?
a) survivorship curves are graphs that plot number of survivors (Nx) against age (x)
b) In type III curve, most individuals in the population die at the very early age
c) Survivorship curve describes the pattern of mortality in a population over time.
d) K-selected species typify populations that follow a type I curve
To what kingdom do coccidia belong?
Answers
Answer:
Chromista
Explanation:
Chromista is a biological kingdom consisting of some single-celled and multicellular eukaryotic organisms, which share similar features in their photosynthetic organelles (plastids).
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:
what is geological substratum
Answers
Answer:
Explanation:
Geological substratum refers to the solid rock or layer of Earth's crust that lies beneath the soil, sediment, or other surface materials.
Hope it helps!!
how are earth worms important in the environment. ?
Answers
Answer:
Worms help to increase the amount of air and water that gets into the soil.