why did the scientists in england not believe that raymond dart's taung child fossil was an early human ancestor? check all that apply. quiozlet

D. Antidiuretic hormone.

Cortisol is a substance is associated with immunosuppression in shock. Option (B) is correct.

Cortisol is a hormone produced by the adrenal glands in response to stress. During shock, the body undergoes a significant stress response,

leading to the release of cortisol. Cortisol plays a crucial role in regulating the immune system. However, in high levels, it can have immunosuppressive effects.

During shock, cortisol levels rise as part of the body's stress response. High levels of cortisol can suppress the immune system, inhibiting immune cell function and reducing the body's ability to mount an effective immune response. This immunosuppression can leave the individual more susceptible to infections and impair the body's ability to fight against pathogens.

It's important to note that while cortisol has important regulatory functions in the body, excessive or prolonged elevation due to conditions like shock can have negative effects on the immune system.

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In many instances, you can record natural sounds. Using your video camera to record background noise is the simplest method. Simply place the camera in a decent location to record the scene's ambient noise, being careful to avoid being too near to anything that sounds notably louder than the rest of the background.

You'll need a digital recorder and a microphone to record animals. A self-contained system, like those in cellphones and voice recorders, is one choice. A hydrophone is an underwater instrument that listens for and captures all ocean noises.

Their application in a natural sound recording is constrained, nevertheless, because they do not react linearly to all frequencies. Condenser mics, which provide a higher-quality signal but need a power source, are the preferred choice for most field recordists. Little condensers are electret microphones.

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Answer:

I really don’t know to be honest

Explanation:

The Trichonympha is a protozoan that breaks down the wood eaten by the termite and both organisms absorb the nutrients.

Symbiotic relationships are close associations formed by two species. They take many forms, including parasitism (in which one species benefits while the other suffers) and commensalism (where one species benefits and the other is neither harmed nor helped).

The protozoan Trichonympha lives in the termite's shelter and space. The Protozoa in the gut digest the wood on which the termite feeds. Without Trichonympha, the termite is unable to digest wood and dies. Trichonympha is a symbiotic flagellate of many termite species as well as the wood-feeding cockroach. Surprisingly, this unicellular organism has up to ten thousand flagella on its surface, which help it navigate the viscous environment of the host hindgut.

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Answer:

because of flual flow the have c shaped

Air pollution is caused the burning of fossil fuels, resulting in the formation of smog and acid rain.

Air pollution is the release of harmful substances into the air which makes it unfit and unhealthy for breathing.

Substance which pollute the air are known as air pollutants.

The burning of fossil fuels causes dangerous gases to enter the atmosphere. Heavy, dense fog caused by dangerous gases mixing in the atmosphere is called smog. Acid rain occurs when dangerous gases mix in the atmosphere and fall back to the surface in liquid form.

Therefore, air pollution is caused by releasing pollutants air.

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Answer:

yee

Explanation:

The burning of ✔ fossil fuels causes dangerous gases to enter the atmosphere. Heavy, dense fog caused by dangerous gases mixing in the atmosphere is called ✔ smog

✔ Acid rain occurs when dangerous gases mix in the atmosphere and fall back to the surface in liquid form.

Answer:Cell differentiation is the process by which cells specialize to achieve their required functions. In order for a cell to differentiate, it will express specific genes. mitosis produces cells that are identical to each other (clones).

Explanation:

Answer:

Though the options aren't presented to the question, I believe the correct answer is: Cell differentiation is different than mitosis, for during cell differentiation, it produces cells with different gene expressions. Meanwhile, during mitosis, it produces clones of the same genes.

Hope this helps! Happy Holidays!

Answer:

The answer would be D. 30%

Explanation:

Hope this is helpful!!!

Answer:

pH is a measure of how acidic/basic water is.

Explanation:

The statement: Subcutaneous tissue consists largely of loose connective tissue and adipose (fatty) tissue is TRUE because these two types of tissue are the primary components of subcutaneous tissue.

Subcutaneous tissue is a layer of tissue that is found just beneath the skin. It is composed of loose connective tissue and adipose (fatty) tissue. The connective tissue in this layer contains collagen and elastin fibers, which give the skin its strength and elasticity.

The adipose tissue serves as a cushion for the body and helps to insulate the body from the cold. Subcutaneous tissue also contains blood vessels, nerves, and lymphatics. This layer of tissue plays an important role in regulating body temperature, storing energy, and protecting the body from injury.

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Answer:

True

Explanation:

All of the answers are correct. The LG domain in IgCAMs is found in humans, all vertebrates, the fruit fly, and the nematode.

Several extracellular matrix proteins with laminin G-like (LG) domains bind to a specific O-mannose-linked glycan on the transmembrane protein dystroglycan. Muscle function depends on the dystroglycan-matrix connection, and numerous types of muscular dystrophy are brought on when the matrix-binding modification's production is interrupted. In the recent years, the entire chemical structure of this alteration has been uncovered. We now understand that the [-3GlcA1,3Xyl-1-] unit polysaccharide known as matriglycan, which is connected to a highly unique heptasaccharide linker, is the binding site for LG domains.
The LG (Laminin G-like) domain in IgCAMs (Immunoglobulin-like Cell Adhesion Molecules) is found in all of the options mentioned: humans, all vertebrates, the fruit fly, and the nematode. Therefore, all of the answers are correct.

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Explanation:

When your muscle cells run out of o2 4 respiration, it relies on stored fat or lipids for energy..(glycolysis) ...

Normally this transition does not last long because muscles also depend on glucose for energy..

When muscle cells run out of oxygen for respiration, they switch to anaerobic respiration, producing lactic acid as a byproduct.

When oxygen runs gone, muscle cells switch to anaerobic respiration. Aerobic respiration generates ATP from oxygen. Muscle cells switch to anaerobic respiration during severe activity or low-oxygen settings.

Muscle cells use glucose to respire anaerobically. Glycolysis generates ATP, although less efficiently than aerobic respiration. Lactic acid, a consequence of anaerobic respiration, can build up in muscles and cause tiredness, discomfort, and burning.

Anaerobic respiration offers short-term energy but is unsustainable. Muscle cells will resume aerobic respiration to efficiently create ATP and remove lactic acid once oxygen is available.

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A person who attends an accredited school will be able to do all of the following except being guaranteed a job upon graduation.

This involves a review process to ascertain if educational programs meet the set down standard so as to ensure high quality.

Attending accredited schools isn't a guarantee for a job after graduation which is why option C was chosen.

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Answer:

C

Explanation:

A scientist who digs for and studies fossils is called a __________. (1 point)

paleontolosits

Fossils can be the __________ or __________ of dinosaurs and are formed by __________ and __________. (4 points)

? remains ? ?

The tree sap that insects can get caught and fossilized in is called __________. (1 point)

ambeytide?

When an animal dies, its remains are either __________ or they __________ away. (2 points)

eaten or swept

Over time, the remains of an animal are covered with mud and sand called __________. (1 point)

?

for the last 2 im not sure

hope this helps

i tried to answer everything as best as i could

but there r many that im not sure

sorry if the answers that i provided r wrong

have a good day

:)

Answer:

Explanation:

Cells are small because of the surface area-to-volume ratio. This ratio refers to the relationship between the surface area of an object and its volume. In the case of cells, a smaller size means a greater surface area to volume ratio. This is important because the surface area of a cell is where important biological processes, such as the exchange of oxygen and nutrients, take place. A greater surface area to volume ratio means that these processes can be more efficient, allowing the cell to function properly. Additionally, a smaller size allows cells to be more agile and move more easily within the body. Overall, the small size of cells is important for their function and survival.

The concept of regression to the mean explains why children of parents who are at the extreme ends of a normal (bell-curve) distribution for a phenotype are usually closer to the population average for the phenotype.

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In a dipstick urinalysis, red blood cells, glucose, and proteins all indicate abnormality but urea does not.

The components of normal urines include urea, chlorine, creatinine, and nutrients such as potassium, sodium, and other dissolved ions.

Proteins can also be present at a very minute level. However, the presence of red blood cells, glucose, and too much proteins is usually an indication of abnormality with an underlining health problem.

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Answer:

DNA structure DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C).

Explanation:

Answer:

its the nucleus

Explanation:

Answer:

B

Explanation:

The chromatin in the nucleus of the cell contains DNA

Cyclin proteins are important in cell cycle progression; they partner with cyclin-dependent kinase enzymes to allow the cell cycle to progress. Without them, cell cycle progression would be hindered/stopped.

The situation when the cyclin proteins should not be function properly in the cell cycle because it is arrested.

It is the key step that governs exit from mitosis and it should be progress into the coming cell cycle. It is equally vital with respect to the progression that arise from the cell cycle. In this, the particular enzymes should be split down cyclines at the particular time with respect to the cell cycle.

At the time when there is decrease in the cyclin levels so the CDK should not be inactive. Also, the cell cycle should be arrest at the time when the cyclines fail to degrade.

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Nutrient absorption is the function of the fungal structure shown. Therefore, option (C) is correct.

Fungi supply nutrients for plant growth and participate in the decomposition of organic matter. They play a crucial role in protecting plants from pathogenic microorganisms as biological agents.

Different kinds of fungi are used to make different kinds of medicines. The main individuals are Penicillium notatum, Claviceps purpurea, Saccharo myces cerevisiae, Eremothemium ashbyii, Aspergillus proliferous and so on.

Fungi are members of the eukaryotic kingdom of heterotrophs, or organisms that cannot produce their own food, and play an important role in the ecosystem's nutrient cycling.

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During osmosis, water moves down its own concentration gradient, more solutes are dissolved in solvents, the concentration of the solute increases, but per unit volume, the concentration of the solvent decreases.

Osmosis is the naturally occurring diffusion or passage of water or other solvents over a semipermeable membrane (one that prevents the passage of solutes, or dissolved compounds). The crucial biological mechanism was initially in-depth investigated in 1877 by German plant physiologist Wilhelm Pfeffer. Previous researchers had conducted less precise examinations of leaky membranes (such as animal bladders) and the transport of water and escape chemicals through them in opposite directions.

A solvent moving from a location with low solute concentration to one with high solute concentration over a semipermeable membrane is called solvent diffusion.

Water's propensity to move over a semipermeable barrier from a hypotonic solution (low concentration of dissolved compounds) to a hypertonic solution (high concentration of dissolved substances).

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Answer:

Variation of traits in a population is an essential factor in the adaptation of a population to its environment. The process of natural selection favors traits that increase the survival and reproductive success of individuals in a particular environment. The variation of traits in a population provides a range of options for natural selection to work with.

For example, if a population of birds has variation in beak size, and the environment contains different sizes of seeds, then birds with beaks that are better suited for the available seed size will have higher survival rates and be able to reproduce more effectively. Over time, the frequency of the beak size that is better adapted to the available seed size will increase in the population, while the frequency of the less well-adapted beak sizes will decrease.

In this way, the variation of traits in a population allows natural selection to act upon those traits that best fit an organism to its environment. As organisms adapt to their environment, the frequency of beneficial traits increases, leading to a better overall fit between the population and its environment. This, in turn, increases the survival and reproductive success of individuals in the population, ensuring the continuation of that population over time.

Answer:

Turtles hide their heads in their shells for protection. (behavioural adaptation)

camels have long eyelashes to protect their eyes from sand. (structural adaptation)

humans sweat to maintain a constant body temperature. (physiological adaptation)

Answer:

The major sources of glycerol for triacylglycerol include pyruvate (plus lactate, alanine, and other gluconeogenic amino acids) and plasma glucose or glycerol.

Depends on:

Eat eggs, meat, beans, Almonds, potato to gain height and for energy.

Answer:

heath, and basically the things you eat, and exercise

Explanation:

that should happen to every kid!!!!!

Answer:

the correct answer is phloem it is not there

Answer:

In the vessels because pholem and xylem tissues are vessels

I think it is d.

Explanation:

it makes sense