A change in the characteristics of
populations of living things over
time is called evolution.
Agree or disagree

Answer:

a

Explanation:

Answer:DNA,RNA,ATP

Explanation:

Two species that mate and produce zygotes, but that have incompatible genes that prevent the resulting embryo are affected by Reduced Hybrid Viability.

Reduced Hybrid Viability is a biological phenomenon that occurs when two different species are able to mate and produce descendence but offspring have fertility problems.

In conclusion, two species that occasionally mate and produce zygotes, but that have incompatible genes that prevent the resulting embryo from developing, are affected by Reduced Hybrid Viability.

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Answer: C particles of matter are released into the atmosphere, affecting the climate and light received by habitats.

Explanation:

The immediate effect of volcanic eruptions and asteroid impacts causes particles of matter to be released into the atmosphere, affecting the climate and light received by habitats.

Huge amounts of dust and vaporized rock into the air, which, along with the soot from all those fires, blocked the sun for long stretches. Also, much of that vaporized rock was rich in sulfur, generating sulfuric acid aerosols that rained back down on Earth and acidified the oceans.

Answer:

Through adaptations populations of organisms adapt to their environments.

Explanation:

Adaptation, in biology, the process by which a species becomes fitted to its environment; it is the result of natural selection's acting upon heritable variation over several generations.

Answer:Data should be presented and reported in a way that is suitable for the audience and their requirements. ... Using graphs and charts can help the audience to interpret what the data is actually showing. A pictorial representation better shows the proportions and distribution of the data.

Explanation:

Answer:

White blood cells are also called leukocytes. They protect you against illness and disease.

Explanation:

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A sample is dated using uranium-235 (half-life 704,000,000 years), and it has 1/4 of the original amount of uranium. the age is 1.408 billion years old.

A half-life represents the time it takes for half of the radioactive material to decay. In this case, we need to find how many half-lives have passed for the sample to have 1/4 of its initial uranium-235 content. After one half-life, the sample would have 1/2 of the original uranium-235. After another half-life, half of the remaining uranium-235 would decay, leaving 1/4 of the original amount. Therefore, two half-lives have passed.

Now, we can calculate the age of the sample by multiplying the number of half-lives by the duration of each half-life. In this case, the sample has undergone two half-lives of 704 million years each: Age = 2 (half-lives) × 704,000,000 years (half-life duration) = 1,408,000,000 years. So therefore, the sample dated using uranium-235 (half-life 704,000,000 years), and it has 1/4 of the original amount of uranium is 1.408 billion years old.

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The growth of a heterotroph is determined by its secondary production, which equals ingestion minus respiration and egestion.

Secondary production refers to the generation of biomass by heterotrophic organisms, such as animals and fungi, through the consumption of organic matter. Ingestion is the process of taking in food, while respiration involves the release of energy from food, and egestion refers to the removal of undigested waste. Since not all consumed matter contributes to the heterotroph's growth, secondary production is calculated by subtracting the combined losses from respiration and egestion from the total ingested matter. This allows us to better understand the efficiency and energy flow within ecosystems and the impact of heterotrophic organisms on their environment.

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Answer:

a) smaller size and no temperature gradient

Explanation:

Answer:

If you were to ask me I would say that your answer is C

Explanation:

Answer:

I would say it's the last one

Explanation:

Answer:

What-

Explanation:

A producer can make their own food, consumers are not able to. Consumers hunt and eat plants, fungi, or other animals.

herbivore: only eats plants (flowers, wood, nuts or grass)

carnivore: eats meat

omnivore: eats both plants and meat

detritivore: eats dead organic material, esp detritus (dead organisms, plant waste, fecal material)

decomposer: usually a fungus; one that breaks down dead or decaying organisms. Carries out decomposition.

Answer:

The difference is pretty simple a producer is an organism that makes its own food externally or internally, while a consumer requires an organism to consume another organism to gain its energy to survive. The difference between herbivore, carnivore omnivore, detritivore, and decomposer are herbivore are plant-eating organism that doesn't eat meat, a carnivore is an organism that kills another organism to eat its meat but doesn't consume plant life, an omnivore is an organism that eats both meat and plant life, a detritivore is an organism that eats the dead organic materials that are left of plants or meat, a decomposer is an organism that breaks down dead corpses, decaying it into nutrients that will help the surrounding plant life grow.

The vast majority of polypeptides contain between a. 100 and 1000 amino acid residues

Polypeptides are chains of amino acids linked together by peptide bonds, which are the building blocks of proteins. They play essential roles in various biological processes and have diverse functions, including enzyme catalysis, cell signaling, and structural support. The size of polypeptides can vary greatly, but most fall within the range of 100 to 1000 amino acid residues, which allows for adequate complexity and functionality.

While smaller polypeptides with 10 to 50 (Option D) or 50 to 100 (Option E) residues do exist, they are less common. Polypeptides containing 1000 to 2000 (Option B) or 2000 to 34,000 (Option C) residues are much rarer and typically comprise larger protein complexes or highly specialized functions. Overall, the vast majority of polypeptides consist of a. 100 to 1000 amino acid residues.

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Answer:

C.) Electron, Neutron, Atom, Molecule, Cell

Explanation:

Electrons are smaller than the protons and neutrons, neutrons are bigger than the electrons, Atoms are made up of electrons, protons, and neutrons, Molecules are made up of atoms, and cells are made up of molecules

Hope this helps!

The following is arranged in the correct order by size, from smallest to largest electron, Neutron, Atom, Molecule, and Cell. The correct option is C.

The substances that form matter and living things are atoms and cells, respectively. These are the basic and smallest particles to create matter.

Protons and neutrons are larger than electrons, but electrons are smaller than neutrons. Protons, neutrons, and electrons make up an atom. Atoms make up molecules, and molecules make up cells.

The smallest of all are the subatomic particles which are electrons, protons, and neutrons. They constitute atoms. That's why they are called subatomic particles.

Thus, the correct option is C.  Electron, Neutron, Atom, Molecule, Cell.

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Answer: Stars have diffrent layers

Answer:

The quote refrences to the fragility of our enviorment and how that balance is to not be disrupted. That no matter how small,every detail affects that balance and is not to be tampered with. It is the same in the food chain,the elimination of even the smallest of species can have devastating effects on an ecosystem. That is why it is important to preserve resources and respect all life. an example of that balance being disrespected in the movie would be the scene where the once beautiful valley was barren and dry due to the hyenas destroying and using up all of the resources, thus destroying the balance of life and bringing famine to their lands.

Explanation: The circle of life man

When a balance is not respected then it leads to destruction of the whole ecosystem not a single organism.

This quote is related to the concept of the food web, pyramid of energy, and the pyramid of numbers because every organism is dependent on other organism for its survival. If that organism is eliminated from the ecosystem, then the organism that feeds on it also die.

If this balance is not respected and maintained then the whole ecosystem is destroyed because every organism is dependent on othe organism.

So we can conclude that when a balance is not respected then it leads to destruction of the whole ecosystem not a single organism.

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Answer:

THE STRESS RESPONSE. Increased concentrations of cortisol, glucagon, and epinephrine serve to increase blood glucose levels and to redirect metabolism so as to increase concentrations of fuel substrates. Finally, there appears to be a tendency towards hypercoagulability, which would likely improve hemostasis.

Explanation:

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As a result of the general stress response, blood concentrations of epinephrine and cortisol rise.

When the body is under stress, the hormone cortisol, stress and steroid, is released. As a result, the body's sugar level rises, and the extra sugar aids in tissue healing.

Adrenaline is another name for epinephrine. It is a hormone used in medication. When the body experiences an emergency, this is released. When something unexpected happens, like getting stung or bitten by a dog, taking medicine, etc.

They come with charges that include faster heartbeats, higher blood sugar, and improved accuracy.

Therefore, blood concentrations of epinephrine and cortisol increase during the stress response.

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Answer:

male is XY female is XX

Explanation:

Answer: 4

Explanation: In our solar system, the gas giants are located on the other side of the asteroid belt which is far away from our Sun.

Answer: Left side means that the plant autotrophs from the sunlight which means it get food. On the right side it means that the chloroplast in the plant cell is making photosynthesis. Down side means that the animal cellular respiration is that the animal cell is breaking down the food and making it into energy which sends it to the ATP which is the powerhouse of the cell.

Explanation:

Answer:

when a concentration gradient exists and more of the substance is on the inside of the cell

Explanation:

Active transport moves substances against the concentration gradient, from an area of low concentration to an area of high concentration. It requires the use of energy, usually in the form of ATP.

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Answer:

They are the building blocks of life.

Explanation:

They are so called the building blocks of life because they make up everything

If we have a total of 50 alleles, with 20 alleles being B (black) and 30 alleles being b (brown), we can calculate the number of each allele present in a total of 100 alleles by maintaining the same proportion.

To do this, we first need to determine the ratio of black alleles (B) to brown alleles (b) in the initial 50 alleles.

The ratio of B to b:

B:b = 20:30 = 2:3

Now, we can apply this ratio to calculate the number of each allele in a total of 100 alleles.

For black alleles (B):

If the ratio of B:b is 2:3, we can represent it as 2x:3x, where x is a common multiplier.

So, 2x represents the number of black alleles in the new total of 100 alleles.

To find the value of x, we can set up the following equation:

2x = 20 (since there were originally 20 black alleles)

Solving the equation:

2x = 20

x = 10

Now we can calculate the number of black alleles (B) in a total of 100 alleles:

2x = 2 * 10 = 20

Therefore, there would be 20 black alleles (B) in a total of 100 alleles.

For brown alleles (b):

Since the ratio of B:b is 2:3, the number of brown alleles can be represented as 3x.

To find the value of 3x, we can multiply x by 3:

3x = 3 * 10 = 30

Therefore, there would be 30 brown alleles (b) in a total of 100 alleles.

In summary, in a total of 100 alleles, there would be 20 black alleles (B) and 30 brown alleles (b), maintaining the same proportion as in the initial 50 alleles.

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No.2 - Ribosomes

No.6 - Golgi Body

#Moderators please don't be mean, dont delete my answers just for approval from your senior or just to get the biggest moderation daily rank. This answer is long and take a lot of my time, how can you just instanly delete this?

Answer:

a. It is important to isolate the undigested plant material since the digested plant material cannot be used since the cell wall will be broken and the enzymes like DNases and other digestive enzymes will break down the organelle membranes and the DNA will be degraded.

If it is not isolated properly the other contaminants and the other enzymes, proteins and debris will interfere with the quality of the DNA. The isolation of undigested ensures that intact DNA can be isolated with the minimum amount of unwanted contaminants.

b. Metabarcoding is the technique through which several DNA/RNA samples are isolated and sequenced from a small or section of the sequence from a common sample to identify the different species present. This is done by isolation, amplification (PCR), and sequencing using a sequencer by comparing to the database. The database is formed by sequencing the known species in the area and then comparing the sequence data obtained from the sample to the database and when it matches the database sequence we can conclude that this species is present in the sample. Hence DNA from 400 plant species that grow on the African savanna and entry of the sequence data into a database was important.

Explanation:

Collecting DNA from 400 plant species on the African savanna and entering their sequence data into a database was crucial as an initial step to enable comprehensive genetic analysis.

An important first step was collecting DNA samples from 400 different plant species found on the African savanna and entering their genetic sequences into a database. This vast genomic database serves as a starting point for subsequent comparative study.

Researchers can use this information to identify the genes that are in charge of features essential for agricultural and pharmaceutical uses, such as disease tolerance, drought resistance, and medicinal qualities. This DNA database also advances our knowledge of the complex biodiversity of the savanna, aiding in conservation efforts and more comprehensive ecological research.

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Lemma - outer bract surrounding a grass flower is not matched properly.

In botany, a spikelet is the term used to describe how the flowers of grasses, sedges, and some other Monocots are often arranged.

There are one or more florets in each spikelet. The spikelets are divided into panicles or spikes for further grouping.

A portion of the spikelet is referred to as a lemma in phytomorphology. It is the lowermost of two bracts that resemble chaff and surround the grass floret. It frequently has a long bristle known as an awn and resembles the glumes, which are chaffy bracts found at the foot of each spikelet. Although it is typically thought of as a bract, it has alternatively been thought of as one of the three remaining components of the outer perianth whorl (the abaxial).

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Answer:

Impact of Climate Change (Global Warming) - glacier melting & global see level rise : influence on human activity

Explanation:

Answer:

geological cycle

Explanation:

Answer:

I have been to get a

Explanation:

I c have a true conclusion for my head but I think it is a good way for me to get