Isabelle decides to shave a 1 x 2-inch patch of her hair and the same-sized patch of her dog's hair. She then measures the growth every day for three weeks.


Match the following statements below:


A) What is the effect of species on hair growth?


B) Shave patches of her hair and her dog's hair and then measure the growth of hair in those patches with a ruler every day for 3 weeks.


C) The species


D) The length of hair or the amount of growth


E) Size of shaved patch; length of time hair grows


F) The dog might not let her be measured. Different human hairs grow at different rates; this is not accounted for


G) Add a control group; include more subjects, humans and more dogs at the same breed; increase the length of time the experiment is conducted.


Answers...

1) Dependent variable

2) Problem question

3) Independent variable

4) Things to be done to improve this experiment

5) Extraneous variables

6) Ways to perform the experiment

7) Controlled variables

answer: b. chlorophyll

Answer:

b.chllrophyll

Explanation:

Chloroplasts work to convert light energy of the Sun into sugars that can be used by cells. It is like a solar panel that changes sunlight energy into electric energy. The entire process is called photosynthesis and it all depends on the little green chlorophyll molecules in each chloroplast.

Hyaline cartilage will have a white and transparent appearance since it is not irrigated, so it is an avascular structure, also being formed by type II collagen.

Hyaline cartilage is a type of connective tissue that is located in different parts of the body, such as joints. It is a tissue that is avascular and without innervation, since it will have an outer layer of blood cells that will pass all the nutrients it will need. This gives it a glossy-like appearance.

Apart from finding it in joints, we will also see it in the larynx, trachea, bronchi, the spinal cord.

Therefore, we can confirm that hyaline cartilage will have a white and transparent appearance since it is not irrigated, so it is an avascular structure, also being formed by type II collagen.

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Explanation:

Ecological pyramids help analyze energy flow through trophic levels by showing the amount of energy available at each trophic level. Primary producers make up the first trophic level while various consumers occupy the other levels. Only a small portion (on average 10%) of energy stored in any trophic level is available to organisms at the next level.

Answer:  Shared-electron (covalent) model

Explanation:

Lewis in 1916, and it remains the most widely-used model of chemical bonding. It is founded on the idea that a pair of electrons shared between two atoms can create a mutual attraction, and thus a chemical bond.

Answer:

Explanation:

is that the question? Adenine and guanine are what represents prunin Thymine

The ethical prinicple that is best illustrated in the example given is the ethical prinicple of autonomy.

Ethical principles are the stated rules that guides the health care provider and the client when faced with dilemmas in the course of rendering health services and receiving treatments.

The ethical principles include the following:

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The statement that best represents how structure relates to function is as follows: a deer's horizontal pupils help it scan the horizon for predators (option C).

A structure, according to biology, is an arrangement or organization of parts to form an organ, system, or living thing.

The structures found in living organisms are usually function-specific. Examples of common structures in living organisms and their respective functions are as follows:

Therefore, the statement that best represents how structure relates to function is as follows: a deer's horizontal pupils (structure) help it scan the horizon for predators (function).

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Answer:

here

Explanation:

yeet UVUUVUVUVUhegduddvsy

Answer:

it is the process of diffusion

Answer: C. It can be replicated by other experimenters and yield the same results.

Explanation:

Being well funded or profitable is not necessary for a successful experiment, and neither is the notoriety of the publisher. For an experiment to be credible, it must be repeatable based on the methodology and yield the same results. Otherwise, the results of the experiment would not be considered accurate.

Answer:

Bacteria convert nutrients and toxins into forms unavailable to the plant. Some bacteria are involved with the transitions of nutrients and make nutrients such as nitrogen.

Answer: The heart cell has many mitochondria as it is required to contact repeatedly for the whole life of the person without ever stopping whereas the skin cells have fewer mitochondria as cell division requires less energy than muscle contraction and skin cells do not need to divide all the time.

Explanation:

The moon's orbit is slighted tilted due to the gravitational pull of the sun. Thus, option B is correct.

An orbit is referred as the tilted or curved path that any celestial body follows. This path is usually elliptical. The gravitational pull of the sun is also important in determining the orbit of the celestial bodies.

Moon takes revolution around the sun in a slightly tilted orbit. This tilted path is important for the occurrence of solar and lunar eclipse on earth. This tilt is important for regulation of climate and seasons on earth.

Thus, an orbit gives an orientation to the moon and also impacts the climate on earth.

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Answer:

Lipids are a large and diverse class of biological molecules marked by their being hydrophobic, or unable to dissolve in water. The hydrophobic nature of lipids stems from the many nonpolar covalent bonds. Water, on the other hand, has polar covalent bonds and mixes well only with other polar or charged compounds.

A biologist might study all except the motion of planets

Biologist study about living organisms which include all aspects of plants, animals and microorganisms. The ways to protect plants and animals, the diversity of life and ways to improve agriculture all comes under biology except for the motion of planets.

Astronomy is the study of objects in the universe that includes motion of planets. Kepler’s laws of planetary motion describe in detail about the motion of the planets in our solar system.

Thus, biologist study about the ways to protect plants and animals, the diversity of life and ways to improve agriculture except for the motion of planets.

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Answer:

ions

Explanation:

hope this helps you :)

Cells can vary in size from a few micrometers(μm) to hundreds of micrometers in diameter. Cells cannot be easily seen through normal eyes. Cells can be studied through microscopic techniques.

Cells are the smallest unit that can survive independently. It is not possible to study the cells through normal eyes. For the proper observation of objects different microscopic techniques are used. These tools help in magnifying the image of cells.

There are mainly three branches of microscopy- optical, electron and scanning probe microscopy. For the study of cells, transmission and scanning microscopy are widely used techniques.

In principle, transmission electron microscopy is similar to the bright-field light microscope. A scanning electron microscope is an electron microscope that produces images of a sample by scanning the surface with a focused beam of electrons.

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This is an example of directional selection. Under the environmental pressure of birds eating beetles, natural selection favors the green phenotype over the red one. The correct order is 1, 3, 4, 2, 5.

Directional selection is one type of natural selection, and increases the proportion of individuals with an extreme phenotypic trait.

There must be a selective pressure or environmental pressure acting on populations to lead the species to increase the number of individuals expressing that extreme phenotype.

This selection presents more frequently in those cases in which interactions between living organisms and the environment modify in the same direction.

In thee xposed example,

The selective environmental pressure is the birds, which prey on beetles.

Red beetles are exposed because their color contrasts with green grass.

On the other hand, green beetles manage to camouflage on the green substrate.

Birds, who use their sight to hunt, can see red beetles better. So they exert more pressure on these individuals.

Green beetles who survive hunting, reproduce and pass their genes to the following generations.

The green phenotype spreads on the population until the whole population becomes green.

According to this sequence of events, the correct order is as follows

1. Green beetles and red beetles exist in the environment.

3. Birds that eat the beetles move into the environment.

4. Red beetles are eaten by birds, but green beetles aren’t eaten.

2. Green beetles pass on their color trait to future offspring.

5. The entire population of beetles eventually becomes green in color.

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Answer:

bro above me is correct

its 1,3,4,2,5 :)

Explanation:

Cell membrane is semi-permeable outer covering of an animal cell. Cell membrane allows the transport of substance into and out of the cell. When the spinach and lettuce are placed in water they become firm and crisp due to endo-osmosis of water.

A cell membrane is the outermost covering in the animal cell and it is covered by the cell wall in the plant cells. Cell membrane is responsible for the transport of materials into and out of the cell.

Cell membrane is semi-permeable in nature that means it only allows some substances to pass through the membrane and block others. Osmosis and diffusion are the processes through which substance pass. When a cell is placed in water, the concentration of water is low inside the cell as compared to the solution. In this case, water travels from its high concentration to its low concentration into the plant cell and the leaves swell and become crisp.

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Answer:

14%

Explanation

To find a percentage of an object you would need to divide the total amount and the amount of that specific object. 42/300 is 0.14. Then to get the actual percent you multiply by 100.

the percentage of blue marbles is 14

Answer: negative

Explanation: A negative correlation is a relationship between two variables in which an increase in one variable is associated with a decrease in the other.

Answer:The stomach serves as a temporary receptacle for storage and mechanical distribution of food before it is passed into the intestine.

Explanation:

The statement that best describes the relationship between the structure and function of the stomach is as follows:

Thus, the correct option for this question is A.

The function of the stomach is to digest the consumed food into the smaller particles and migrate it to the region of the small intestines. It temporarily stores food for proper digestion and operations.

The stomach of humans is significantly subdivided into four chambers. Each chamber of the stomach is designed for a particular function. But it all directs to a specific function of digestion.

The muscles of the stomach contract continuously in order to enhance the digestion of food. the pyloric sphincter is the type of muscular valve that opens and permits the digested food to migrate into the small intestine.

Therefore, the stomach has multiple chambers to improve the digestion of food is the statement that best represents the relationship between structure and function. Thus, the correct option for this question is A.

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Answer: I think it is the last answer D

The liver is a vital organ as it secretes one of the most important enzyme- Bile.

Bile aids in digestion by breaking down fats in the small intestine and carrying waste away, making specific proteins for blood plasma. Cholesterol and unique proteins are produced to assist the body in transporting fats. The liver's special ability to produce bile is essential to the organism's existence. Recent advances in the understanding of the mechanism underlying bile production have laid the groundwork for improved diagnosis and management of cholestatic diseases.

Hepatocytes produce bile, an intricate aqueous secretion that is altered distally by absorptive and secretory transport systems in the bile duct epithelium. After that, bile either travels directly to the intestinal lumen or is concentrated in the gallbladder. A number of endogenous solid elements, such as bile salts, bilirubin phospholipid, cholesterol, amino acids, steroids, enzymes, porphyrins, vitamins, and heavy metals, as well as exogenous medicines, xenobiotics, and environmental pollutants, are dissolved in bile's approximately 95% water content.

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Answer:

If a number does not have exactly two distinct factors, then the number is not prime.

Explanation:

In an inverse statement, both the hypothesis and conclusion are negated. So, "If A. then B" turns into "If not A, then not B."

If you the conditional is already negated, then you would turn it positive.

Hope it helps! :)

Succession by facilitation is an evolutionary process in which different types of adaptive modifications emerge and they are triggered by the occurrence of genetic features (allele emergence) and environmental conditions.

In terms of evolution,  succession by facilitation refers to the ecological phenomenon in which a disturbed environment can be exploited by a particular pioneer species, which largely depends on their own intrinsic features (genetic background) and the environmental conditions that leads to their emergence in the disturbed area.

This process (succession by facilitation) is triggered by the phenotypes in some individuals which are selected by the environment in order to ensure the evolutionary success of other organisms.

In conclusion, succession by facilitation is an evolutionary process in which different types of adaptive modifications emerge and they are triggered by the occurrence of genetic features (allele emergence) and environmental conditions.

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Hyaline cartilage is known to be white and shiny because it is made up of mainly collagen fibre in its matrix.

A cartilage is a type of connective tissue found in the body that helps to provide support on bony areas where there is a need for flexibility.

There are three different types of cartilage which includes the following:

The hyaline cartilage is mostly distributed of all the types of cartilages mentioned above. They contain more collagen fibres than elastic fibres. They are found on the following parts of the body that includes the following:

When the hyaline cartilage is viewed under a microscope, it appears shinny and white. This is so because it's matrix is made up of abundance of type II collagen fibres.

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