Answer: It creates more nutrients for Algal. Fertilizer runoff supplies large amounts of nitrogen and phosphorus to Aquatic Ecosystems.
Explanation:
What method do scientists use to trace plant and animal extinctions through Earth's history
Answer:
Paleontology is the study of the history of life on Earth as based on fossils. Fossils are the remains of plants, animals, fungi, bacteria, and single-celled living things that have been replaced by rock material or impressions of organisms preserved in rock.
Explanation:
What type of cells are simple animal and plant cells?
White blood cells
Specialized cells
Unspecialized cells
Red cells
What does each star become after the main sequence stage?
PERFECT QUESTION! SPACE IS WHERE ALL MY INTERESTS ARE!
Answer:
Once a star reaches the limit of it's current stage, which in this case, is the main sequence stage, it will expand and cool, resulting a Red Giant.
What are the stages in the life of a star and what happens in each?1. Nebula
A nebula is an out-of-this-world cloud of gas (hydrogen) and dust. The nebulae are where stars are born. Nebulae come in a variety of forms. A brilliant emission nebula, like the one in Orion, shines because the gas there is powered by the stars that have already formed there. Starlight reflects on the dust particles within a nebula to form a reflection nebula. The Pleiades Cluster's nebula is an example of a mirror nebula. There are also Dark Nebula. These are thick, hydrogen-filled clouds that either fully or partially block the light from the stars behind them, such as the Horsehead Nebula in Orion.
2. Star
A star is a glowing ball of gas that generates all of its own heat and light through nuclear processes (nuclear fusion). They are made primarily of hydrogen and helium gas and are created from nebulae. The colors that correlate to the surface temperatures, which vary from red to blue-white, span from 2000 C to above 30,000 C. With masses 100 times greater than the Sun's, the brightest stars produce as much light as millions of Suns. They have a lifespan of just a million years before becoming supernova. Red dwarfs, which are just a thousandth as luminous as the Sun, are the weakest stars. A star can have a minimum mass of around 8% of the mass of the Sun, or 80 times the mass of the planet Jupiter, for nuclear processes to occur. Brown dwarfs or big planets are objects that have less mass than the critical mass and glow very weakly. A star like the Sun swells out into a red giant as it nears death, loses its outer layers as a planetarian nebula, and then contracts to become a white dwarf.
3. Red Giant
The surface of this big, brilliant star is chilly. It develops as a star like the Sun's core runs out of hydrogen fuel in its final phases of growth. The diameter of a red giant ranges from 10 to 100 times that of the sun. Despite having a surface temperature between 2000 and 3000C that is lower than that of the Sun, they are extraordinarily brilliant due to their size. Super Giants are a common name for red giants, very massive stars. These stars frequently exhibit luminosities one million times higher than the Sun and have dimensions up to 1000 times that of the Sun.
4. Red Dwarf
These are extremely tiny, dim, and cold stars that have a mass and diameter that is roughly equal to that of the Sun. They have an estimated lifespan of 100 billion years and burn very slowly. Proxima Centauri and Barnard's Star are red dwarfs.
5. White Dwarf
This tiny, blazing star is at the end of its life cycle as a star like the Sun. White dwarfs are stars that are similar in mass to the Sun but have a diameter that is just 1% as large as the Sun, or around the size of the Earth. Although a white dwarf is smaller than the Sun and has a surface temperature of 8000C or more, it has an overall brightness of little more than 1% of the Sun. The shriveled remnants of typical stars whose nuclear energy reserves have been depleted are known as white dwarfs. Due to gravitational processes, white dwarfs are composed of degenerate matter with an extremely high density; one tablespoon contains many tonnes of mass. Over a few billion years, white dwarfs cool and disappear.
6. Supernova
This is a star's cataclysmic demise, which frequently gives the star for a brief period the brilliance of 100 million suns. Supernovae often fall into two categories: - These are Type I explosions, which take place in binary star systems when gas from one star collides with a white dwarf, triggering an explosion. Type II These occur in stars that are 10 times as massive as the Sun or more, and near the conclusion of their lifetimes, they experience runaway internal nuclear reactions that result in an explosion. Black holes and neutron stars are what they leave behind. The primary source of elements heavier than hydrogen and helium is assumed to be supernovae.
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Eddie
Bananas grow curved because-
a) They are just like that
b) They grow towards the sun
c) Gravity is trying to pull them down but instead it curves
d) All of the above
Answer:
B
Explanation:
Bananas are curved so they can retrieve sunlight. Bananas go through a process called negative GeoTropism.
Answer: B
Bananas grow curved because they grow towards the sun.
Explanation: The reason why bananas are curved is due to a process called negative geotropism. So initially bananas start by growing towards the ground, but will eventually start growing towards the sun, and curve.
Which statement best describes the way vegetation affects slope stability?
Answer: vegetation protects against erosion from raindrops and helps been together soil and regolith
Explanation:
Which of the following correctly describes the relationship between speed and velocity? (4 points)
Speed is the change in velocity over time; velocity is distance plus direction.
Speed is the change in distance over time; velocity is speed plus direction.
Speed is distance plus direction; velocity is speed plus time.
Speed is the change in acceleration; velocity is distance over tim
Answer: Speed is the change in distance over time; velocity is speed plus direction.
Explanation:
While speed does not include direction, velocity does
For example: If I was traveling North at 5 mph,
The speed would be 5 mph
while the velocity would be 5 mph North
What structure do the roots have to increase the surface area in order to absorb more water?
A.Guard cells
B.Root hairs
C.Phloem
Answer:
b
Explanation: jkhfuwhfirjvirwhjwrhfejdewbchgf vchdbcjdcnjbrcbruec
What are Autotrophs?OOOOmust ingest food in order to obtain energy,have the ability to trap sunlight and produce glucose.were probably the first organisms to appear.are also known as consumers.
Autotrophs are organisms that can synthesize their own food through the consumption of inorganic material and sunlight. Examples of autotrophs are plants and some bacteria.
OPTIONS:
X must ingest food in order to obtain energy.
X were probably the first organisms to appear
X are also known as consumers
ANSWER: have the ability to trap sunlight and produce glucose
for a reaction to be spontaneous it must show a net decrease in both energy and entropy.
T/F
False. For a reaction to be spontaneous, it must show a net decrease in Gibbs free energy (ΔG). Gibbs free energy is a thermodynamic potential that represents the maximum reversible work that can be done by a system at constant temperature and pressure.
It is defined as ΔG = ΔH - TΔS, where ΔH is the change in enthalpy (energy), T is the temperature in Kelvin, and ΔS is the change in entropy (disorder). A spontaneous reaction can have an increase or decrease in energy (ΔH) and entropy (ΔS) depending on the specific conditions. Generally, if ΔG is negative, the reaction is spontaneous, whereas if ΔG is positive, the reaction is non-spontaneous. For example, at high temperatures, a reaction with an increase in entropy (ΔS > 0) and a decrease in enthalpy (ΔH < 0) would be spontaneous. Conversely, at low temperatures, a reaction with a decrease in entropy (ΔS < 0) and an increase in enthalpy (ΔH > 0) would be non-spontaneous. In summary, it is not necessary for a reaction to show a net decrease in both energy and entropy to be spontaneous. Instead, the sign of Gibbs free energy (ΔG) determines the spontaneity of the reaction.
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Which type of plant life would be present in a climax community but would NOT be present in the early stages of succession?GrassesTreesWildflowersShrubs
Trees would be present in a climax community but would NOT be present in the early stages of succession.
In the early stages of succession, the primary colonizers are usually pioneer species such as grasses, shrubs, and wildflowers that are adapted to survive in harsh environmental conditions, such as low nutrient levels and high exposure to sunlight. These species are generally short-lived and do not have deep root systems, which make them vulnerable to disturbances such as wind and water erosion. As the soil begins to accumulate nutrients and organic matter, and as the microclimate becomes more stable, the pioneer species begin to be replaced by more long-lived and shade-tolerant species such as trees. Over time, the trees become the dominant vegetation in the ecosystem and form a climax community. The presence of trees indicates that the ecosystem has reached a state of relative stability and self-regulation.
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.What is the difference between refraction, dispersion, and reflection
Answer:
Explanation:
Reflection takes place when the light does not pass into the material, but is instead "bounced" off the surface. Refraction occurs when the light passes into the material. ... Dispersion occurs when different wavelengths of light are refracted different amounts, separating the light into its constituent colors
please help me this due today at 4:00 whoever answers me I give him a crown (20pts)
1: Every single cell has a ________.
2:Explain the fluid mosaic model of the cell membrane.
1 every single cell has cytoplasm, cell membrane and DNA
2 The fluid mosaic are various observations regarding the structure of functional cell membranes .
Answer:
1: Nucleus
2: The fluid mosaic model describes the cell membrane as a tapestry of several types of molecules (phospholipids, cholesterols, and proteins) that are constantly moving. This movement helps the cell membrane maintain its role as a barrier between the inside and outside of the cell environments.
Explanation:
I looked this up. I hope this helps you.
select all that apply: which of the following is characteristic of a carrier protein in a plasma membrane? select all that apply: which of the following is characteristic of a carrier protein in a plasma membrane? it is a peripheral membrane protein it is an integral membrane protein it exhibits a specificity for a particular type of molecule it requires the expenditure of cellular energy to function it is not specific to any one type of molecule
The characteristic of a carrier protein in a plasma membrane is they present a particular type of molecule. So the answer is:
It exhibits specificity for a particular type of molecule
Carrier proteins are membrane proteins that are committed to the journey of ions, small molecules, and macromolecules from one side to the other of biological membranes. The way they do this is by alternating its conformation as the molecule enters the protein, then releasing the molecule across the cell membrane from where it goes in the carrier protein. Carrier proteins only transport certain molecules, which is why they are distinguishing. They admit the cell to precisely administer the number of various molecules that influx and efflux the cell. The membrane transport protein that plays a role in the entry and exit of these molecules is Transportom.
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Choose yes or no to indicate whether each event occurs or does not occur in the processes of meiosis I, meiosis II, & mitosisMeiosis I- Crossing over = yes- Cellular division = yes- Generates genetic variation = yes- Reduces number of chromosomes = yes- Random distribution of parental chromosomes = yesMeiosis II- Crossing over = no- Cellular division = yes- Generates genetic variation = no- Reduces number of chromosomes = no- Random distribution of parental chromosomes = noMitosis- Crossing over = no- Cellular division = yes- Generates genetic variation = no- Reduces number of chromosomes = no- Random distribution of parental chromosomes =
In meiosis I, chromosomes cross over, cellular division occurs, genetic variation is generated, the number of chromosomes is reduced, and parental chromosomes are randomly distributed.
Meiosis II is the second stage of meiotic cell division, in which the two haploid daughter cells created in meiosis I divide into four haploid cells. In meiosis II, crossing over does not occur, cellular division occurs, genetic variation is not generated, the number of chromosomes is not reduced, and parental chromosomes are not randomly distributed.
In mitosis, crossing over does not occur, cellular division occurs, genetic variation is not generated, the number of chromosomes is not reduced, and parental chromosomes are not randomly distributed.
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genetic code project
The Genetic Code Project is a significant endeavor aimed at deciphering and understanding the genetic code, which serves as the blueprint for life. The genetic code is a set of rules that translate the sequence of nucleotides in DNA or RNA into the sequence of amino acids in proteins. This code is universal to all living organisms and plays a fundamental role in various biological processes.
The project's primary goal is to unravel the genetic code. This is done by exploring how different combinations of nucleotides give rise to specific amino acids and how this process influences protein synthesis. By deciphering the genetic code, scientists can deepen their understanding of the molecular mechanisms underlying life. They can also gain insights into organism functioning at the molecular level.
The project involves collaborative efforts from researchers worldwide, encompassing fields such as molecular biology, genetics, bioinformatics, and computational biology. Through experimental studies, advanced sequencing technologies, and computational modeling, scientists aim to identify the codons (three-nucleotide sequences) that correspond to specific amino acids and elucidate the rules governing this translation process.
The Genetic Code Project holds significant implications for various scientific domains. Understanding the genetic code can shed light on inherited diseases, evolutionary relationships between species, and the development of novel therapies and treatments. Additionally, it can pave the way for advancements in synthetic biology, cellular engineering, and biotechnology, as researchers gain increased control over manipulating the genetic code.
To tackle the project's vast complexity, collaborations between scientists from diverse disciplines, open data sharing, and cutting-edge technologies are crucial. International research institutions, universities, and organizations often play a pivotal role in supporting and coordinating these efforts.
Overall, the Genetic Code Project stands as a cornerstone in our quest to unravel life's secrets. As scientists continue to decipher the genetic code, it promises to revolutionize our understanding of genetics. It will advance medical research, and drive biotechnology innovations, ultimately paving the way for a deeper understanding of life itself.
What glands produce an oil that keeps the skin and hair soft and also acts as a barrier against bacteria?.
Answer:
sebaceous glands
Explanation:
The sebaceous glands secrete sebum into hair follicles. Sebum is an oil that keeps the skin moist and soft and acts as a barrier against foreign substances.
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_ Which three statements correctly describe the roles or RNA molecules in the process of transcription and translation in animal cells?
a. Small RNA molecules in the RNA polymerase catalyze the formation of phosphodiester bonds between nucleotides in the growing messenger RNA
b. Messenger RNA molecules carry genetic information from the gene in the nucleus to the ribosome in the cytoplasm.
c. Transfer RNA molecules carry the appropriate amino acid to the growing polypeptide
d. Genomic RNA molecules store genetic information and transmit it to an individual’s offspring
e. Ribosomal RNA molecules function in the assembly of the ribosome-mRNA complex and in the formation of peptide bonds between amino acids in the growing polypeptide.
The three statements that correctly describes the role of RNA in transcription and translation are as follows:
Messenger RNA molecules carry genetic information from the gene in the nucleus to the ribosome in the cytoplasm.Transfer RNA molecules carry the appropriate amino acid to the growing polypeptide.Ribosomal RNA molecules function in the assembly of the ribosome-mRNA complex and in the formation of peptide bonds between amino acids in the growing polypeptide.ROLE OF RNA:
Transcription is the process whereby a mRNA molecule is synthesized from a DNA template while translation is the process whereby an amino acid sequence is synthesized from mRNA. Ribonucleic acid (RNA) is one of the two nucleic acids that performs varying functions in the processes of transcription and translation. There are three types of RNA namely: mRNA, tRNA, rRNA. mRNA or messenger RNA molecules carry genetic information from the gene in the nucleus to the ribosome in the cytoplasm.tRNA or transfer RNA molecules carry the appropriate amino acid to the growing polypeptide.rRNA or ribosomal RNA molecules function in the assembly of the ribosome-mRNA complex and in the formation of peptide bonds between amino acids in the growing polypeptide.Learn more: https://brainly.com/question/20123590?referrer=searchResults
slate is associated with high-grade metamorphism. true false
True.
Slate is a metamorphic rock that is associated with high-grade metamorphism. It forms from the metamorphism of shale or mudstone under conditions of high pressure and temperature.
Slate typically exhibits a fine-grained texture and possesses excellent cleavage, which allows it to be split into thin, flat sheets.
Its formation requires sufficient heat and pressure to recrystallize the minerals present in the original rock, resulting in the development of a new foliated texture in the form of aligned minerals.
Therefore, slate is indeed associated with high-grade metamorphism.
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The answer is: The cells have 46 chromosomes until meiosis 2 in completed.
Answer:
A
Explanation:
______A needlestick is an example of which portal of entry?(A) skin (B) parenteral route (C) mucous membranes (D) all of these (E) none of these.
A needlestick is an example of which portal of entry parenteral route.
The injection is the process of injecting fluids into the body using a needle. In medical practice, fluids that are often administered to the body by injection are drugs and vitamins. The needles used are hypodermic needlesticks.
The injection is known as a parenteral drug administration technique, namely administration through a route other than the gastrointestinal tract. Parenteral injections include subcutaneous, intramuscular, intravenous, intraperitoneal, intracardiac, intraarticular, and intracavernous injections.
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Property of water that makes transpiration to occur
Answer:
cohesion
Explanation:
One of water's most distinctive properties is cohesion—that is, the tendency of water molecules to "stick" to one another. In plants, this cohesion results in columns of water that stretch through the plant's xylem, from the roots all the way to the leaves.
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Relative to the length of time life has been on Earth, have modern humans appeared recently or in the distant past?
pLeAsE HeLp Me...
Answer:
recently
Explanation:
earth has had like for billions of years
humans have been here for hundreds of thousands
so to put it simply humans have been here for like 1/10000 of earths lifetime and that's very inaccurate but ik just making a point
In this exercise we have to explain why human beings are considered recent in relation to the time of the earth, so we can say that;
taking into account that the earth is 4.5 billion years old and human beings only existed for approximately 200 thousand years, we can say that we are extremely recent.
How old is a human being on Earth?Anatomically modern humans have their first fossil record in Africa, about 195,000 years ago, and molecular biology studies provide evidence that the approximate time of the common ancestral divergence of all modern human populations will have been 200,000 years ago.
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Onepage review on why understanding gas and vapors in a work setting is important and what we can do in our workplace to prevent accidents with gases and vapors.
Understanding gas and vapours in a work setting is incredibly important for workplace safety. Gas and vapours can contain noxious substances that, if exposed to, can lead to serious injury or health implications.
In order to prevent such accidents, employers must perform risk assessments in order to assess and identify any areas of risk and put in place control measures to limit them. If gas and vapours are used onsite, then suitable ventilation and extraction systems should be in place.
Employers should also ensure that their staff are aware of the potential risks associated with such substances and provide adequate training and instruction in how to work safely. Finally, employers should also check that any necessary personal protective equipment is provided and communications are in place to be able to notify relevant emergancy responders in case of an accident.
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If you are going to infer the topic, what does that mean?…..
Answer:infer implies arriving at a conclusion by reasoning from evidence; if the evidence is slight, the term comes close to surmise.
Explanation:infer
How do fossils demonstrate evidence of evolution?
A. They show that ancient species share similarities with species now on Earth.
B. They show evidence of species that are now extinct.
C. They are the primary source of evidence of natural selection.
D. Fossils reveal that many species have remained unchanged for millions of years.
Answer:
A
Explanation:
A is the answer because it shows that evolutionary change over time
which position would be documented when fetal heart sounds are heard in the right lower quadrant and the head is in the anterior position
The position that would be documented when fetal heart sounds are heard in the right lower quadrant and the head is in the anterior position is the right occiput anterior position.
What is the right occiput anterior position?The right occiput anterior position (ROA) is one of the fetal positions that is defined as a position in which the baby is lying with its back and spine pointing forward, and its head is in the front of the mother's pelvis. ROA position is one of the most common fetal positions during delivery.
A fetal heart monitor detects fetal heartbeats by using Doppler technology. It is possible to distinguish the baby's position during a vaginal examination by analyzing where the fetal heart sounds the loudest. Fetal heartbeats are usually audible at 10-12 weeks of gestation. In pregnancy, the fetal position is important because it determines how the baby will present itself during birth, which can affect the delivery process.
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the product h substance is needed to express the blood antigen. a mating of ia i b hh x ia i b hh should produce what ratio of blood types?
To express the blood antigen, the product H substance is required. A cross between IA I B Hh and IA I B hh should result in 1/4 AB, 1/8 A, 1/8 B, and 1/2 O make up the blood types.
Gene. A and B antigens are synthesized on RBCs by particular glycosyltransferases that are encoded by the ABO locus. The presence of the H antigen is a prerequisite for the creation of the A/B antigen. The H locus in RBCs is responsible for encoding the enzyme that produces the H antigen (FUT1).
Generally utilized Optimistic: 35% Negative O: 13% 30% are favorable 8% is unfavorable. Mumbai is where the Bombay Blood, often known as the hh blood group, was initially identified (then called Bombay). It was found in 1952.
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Correct Question:
The product H substance is needed to express the blood antigen. A mating of IA I B Hh X IA I B hh should produce what ratio of blood types?
Question 15
What determines the type of soil that is created when it is formed?
A. the types of organisms living in the soil
B. the amount of time it takes to create the soil
C.the type of rock and minerals in the parent material
D.the altitude of the location of soil formation
C is the answer..........
A ______ is a push or pull.
Answer:
The answer is Force.
Explanation:
Force is a push or push of a particular directions with a particular object.
All organisms get energy from their environment. When a shark consumes food,
the remora fist collects the food scraps by swimming underneath the shark. What type of
relationship is demonstrated by the shark and the remora fish?
a. Commensalism
b. Mutualism
c. Neutralism
d. Parasitism