which is not a topic of biology?
a. the distribution of sand on an ocean floor
b. the chemicals at work in the stomach
c. the speed at which a hummingbird flies

Answer:

I think your answer is C) Reliance on coal and natural gas decreases due to availability.

Explanation:

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Answer:

1. brown eyes

2.brown hair

3. BH Bh bh and bH

4. brown

5. brown

6. BH Bh

During the 50-yard dash, most of the ATP produced by your body will be generated from the breakdown of glucose in the glycolysis process. During the process of glycolysis, glucose is converted to pyruvate and a small amount of ATP is created. This action does not require oxygen, which is present in the cytoplasm of the cells.

However, pyruvate can be broken down further through aerobic respiration when oxygen is present, resulting in the production of much more ATP. In light of this, depending on the intensity and length of the run, some ATP may also be created through aerobic respiration.

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The concept of evolution through herbal selection is guided by the fossil report, genetics, and examples of nearby variations, and the elements beneath investigate how fossil data influences the concept of evolution via natural selection.

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Answer:

The correct answer would be B

Explanation:

Antibiotic resistance in bacteria develops in response to the environment in which the bacteria survives.  

The antimicrobial resistance trait is acquired by any species of bacteria through one of the two ways that are either by making changes in their DNA sequences or through horizontal gene transfer mechanisms.

In the given E. coli gained the trait to develop resistance against antibiotic by making changes in their DNA as once the gene is altered or mutated, the trait can be passed on to the offsprings.

Therefore, Option-B is the correct answer.

Answer:

B. By mutating their DNA in response to environmental conditions to gain beneficial traits

Explanation:

Through the process of natural selection, bacteria such as E coli can gain new traits that benefit them.

This can occur when a DNA mutation occurs, where the mutated gene is actually beneficial to respond to environmental conditions.

Then, these bacteria with the gene will survive and produce more offspring with the same gene. This is how E coli can develop antibiotic resistance.

So, B is the correct answer.

Answer:

Epithelial tissues are widespread throughout the body. They form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands.

Explanation:

Hope this helps and have a great day.

Answer:

yes and no

Explanation:

It depends on the plant and what you want to do to it.

Example some fertillzer can make the plant grow bigger and some make it produce stuff like tomatoes.

The scientific method is a systematic approach used by scientists to investigate and understand the natural world these steps are iterative, meaning that scientists often repeat the process, refining their hypotheses and experiments to gain a deeper understanding of the phenomenon under investigation.

It involves a series of steps that help ensure objectivity, reproducibility, and reliability in scientific research.

The main steps of the scientific method are as follows:

Observation: The first step involves making careful observations of a phenomenon or a problem in the natural world.

Scientists use their senses or instruments to gather data and identify patterns or interesting phenomena.

Question: Based on the observations, scientists formulate a research question that addresses the underlying cause or mechanism of the observed phenomenon.

The question should be specific and testable to guide the subsequent steps.

Hypothesis: In this step, scientists propose a possible explanation or solution to the research question.

The hypothesis is a tentative statement that can be tested through further experimentation or observation.

It should be based on existing knowledge and provide a clear prediction.

Experimentation: Scientists design and conduct experiments to test the hypothesis.

They manipulate variables, control conditions, and collect data to analyze and draw conclusions.

The experiment should be carefully planned, with appropriate controls and statistical methods to ensure accurate and reliable results.

Analysis: After collecting the data, scientists analyze the results using statistical methods or other analytical techniques.

They examine the data to determine if it supports or refutes the hypothesis.

This step involves organizing and interpreting the data to draw meaningful conclusions.

Conclusion: Based on the analysis, scientists draw conclusions about the hypothesis.

If the data supports the hypothesis, it may be accepted as a plausible explanation.

If the data does not support the hypothesis, scientists may revise the hypothesis or propose alternative explanations.

Through this iterative process, scientific knowledge advances and contributes to our understanding of the natural world.

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Answer:

C

Explanation:

edge2020

Answer:

The key difference between sandy soil and loamy soil is that sandy soil is less fertile due to the low content of nutrients, moisture, and humus, whereas loamy soil has more nutrients, moisture, and humus and is more fertile.

Explanation:

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loam soil provides a well-balanced environment for plant growth, with good drainage, moisture retention, and nutrient availability.

Sandy soil, on the other hand, drains quickly but lacks moisture retention and nutrient-holding capacity, requiring additional irrigation and fertilization.

The choice of soil type depends on the specific needs of the plants and the environmental conditions in which they are grown.

Loam soil and sandy soil are two distinct types of soil with different characteristics and properties.

Loam soil is considered to be ideal for plant growth due to its balanced composition.

It is a combination of sand, silt, and clay particles. Loam soil has a granular texture and is often described as crumbly.

It has good drainage capabilities, allowing excess water to flow through while retaining enough moisture for plant roots.

The presence of silt and clay particles helps in retaining nutrients, making them available to plants.

Loam soil is fertile and provides a suitable environment for root development.

It offers a good balance of air spaces and moisture-holding capacity, promoting healthy plant growth.

Sandy soil, on the other hand, primarily consists of larger sand particles.

It has a gritty texture and is characterized by its high drainage capacity.

Sandy soil drains water quickly, which can be beneficial in preventing waterlogged conditions.

However, due to its coarse texture, it does not retain moisture well, making it prone to drought.

Sandy soil also has low nutrient retention capability, as nutrients tend to leach away with excessive watering or rainfall.

As a result, sandy soil often requires more frequent irrigation and the application of fertilizers to compensate for the lack of nutrients.

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Answer:

There you go!!

Explanation:

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Answer:

Animal cells have small vacuoles because they don't need to store as much water as other organisms such as plants.

Explanation:

Hope this helps

P.S can i have a brainliest/crown

A single age distribution graph comparing males and females of a given population can provide a wealth of information. Three of the most important measures that can be obtained from such a graph are the population size, the age structure, and the gender ratio.

The population size can be determined by adding the total number of males and females represented in the graph. This is an important measure of the overall population size, and can be used to compare the population size of different countries or regions.

The age structure of the population can be determined by looking at the distribution of males and females across different age groups. This is an important measure of the demographic makeup of a population, and can be used to identify trends in population growth or decline.

Finally, the gender ratio of the population can be determined by comparing the number of males and females in each age group. This is an important measure of the overall gender balance in a population, and can be used to identify areas where there is a need for greater gender equality.

In conclusion, a single age distribution graph comparing males and females of a given population can provide a wealth of information. Three of the most important measures that can be obtained from such a graph are the population size, the age structure, and the gender ratio.

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Answer:

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Answer:

B.) Over million of years, the eyes of cave salamanders lose their function is an example of adaptation  

Explanation:

Adaptation is an evolutionary process. Under this process an animal or plant evolves to become suitable to  live in a particular habitat. The organism undergoes many changes through natural selection, such changes takes place over generations. Although scientists were discussing adaptation before 1800s, it came to limelight only after the development of theory of natural selection by Alfred Russel and Charles Darwin.

Adaption can be of three types: Behavioral, Physiological and Structural

Energy is not conserved in the carbon cycle because it is an open system.

Energy is not  conserved in the carbon cycle, but it is transformed from one form to another. For example, the energy stored in carbon compounds such as glucose is released through cellular respiration and used by organisms for growth and metabolic processes.

The carbon cycle also involves the transfer of energy from the sun to plants through photosynthesis, and from the atmosphere to the ocean through the dissolution of carbon dioxide. Overall, energy is neither created nor destroyed in the carbon cycle, but is transformed from one form to another.

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Bone cells have a stellate shape, which is approximately 7 micrometers deep and wide by 15 micrometers in length. The cell body varies in size  and contain 40-60 cell processes per cell. The cell to cell distance is between 20-30 micrometers.

Compact bone is dense and composed of osteons than spongy bone  which is less dense and made up of trabeculae. Blood vessels and nerves enter the bone through the nutrient foramina to nourish bones.

Eukaryotic cells are larger and have membrane-bound organelles and rod-shaped chromosomes. Most eukaryotic cells lack a rigid cell wall and is observed in tissue culture and single-celled organisms. Animal cells are distinct from other eukaryotes, mostly plants, as they lack cell walls and chloroplasts and have smaller vacuoles. Due to the absence of cell wall, animal cells can change into a variety of shapes.

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Answer:

B. Protein

Explanation:

Protein is digested quickly in the body. Hence the correct option is A.

A protein is defined as a naturally occurring, extremely complex substance which consists of amino acid residues fused by peptide bonds. Proteins are found in all living organisms and include many essential biological compounds such as enzymes, hormones, and antibodies.

Protein breakdown occur faster than fats and protein occurs mostly in the stomach, where stomach acids uncoil the protein strands. Pepsin, an enzyme secreted by the stomach, breaks the strands down further.

Trypsin, another enzyme, break down the protein strands into molecules containing one, two or three amino acids in the small intestine. Nearly all the protein in foods is digested, with the remaining passes through the large intestine.

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Answer:stroma is the fluid inside chloroplasts surrounding the thylakoid membranes

Explanation: the thin tube that carries water from roots to leaves is xylem. The green pigment is chlorophyll (a or b). The tiny pores are stomata.

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!!

Answer:ATP Synthase

Explanation:

Answer:

A is the answer because she have to answer again to make sure it is right

Answer:

They're composed largely of blood plasma

Explanation:

Answer:

Since a virus is a particle composed of genetic material and proteins enclosing it, therefore it is not considered a cellular entity and does not fulfill the criterion of a living world.

Lactic acid fermentation is the process in which 6 carbon sugars, such as glucose, are used to generate cellular energy, the waste product of this process is the metabolite lactate, which is the lactic acid in solution.

Fermentation is an anaerobic pathway to break down glucose.

The first step of this process is glycolysis, through this process the glucose molecule is converted into two molecules of pyruvate, and the energy stored in the molecule's bonds is released.

The second step of the process is the restoration of the NAD+ molecules. During this process, NADH transfers its protons to pyruvate and is oxidized to form NAD+.

This process occurs in the muscle cells when the tissue needs energy and there is not enough oxygen available, for example, during a very intense exercise.

The waste product of this process, the lactate, is carried away by the bloodstream to the liver, where lactic acid is used to synthesize glucose. (This metabolic process is called Cori's cycle) When the lactate is not removed from the muscle fast enough, it causes the pH to decrease, which causes the muscular tissue to not work correctly. This may cause soreness and muscle cramps.

There are bacteria that produce lactic fermentation, these bacteria are called Lactobacillus and are commonly known as "yogurt bacteria" it uses milk as a source of substrate for the fermentation process, and thus yogurt is produced.

The only option that is not associated with Lactic Acid Fermentation is "bread"

Answer:

As the trees grow, they help stop the climate change by removing carbon dioxide from the air, storing all the carbon dioxide in the trees and soil.

Explanation:

I hope this helps!! :)

The cell wall is a layer outside the cell membrane and provides rigid support and protection to the cell. So, the correct option is A.

A cell wall is a thick and rigid layer composed mainly of polysaccharides present outside of the cell membrane that protects the cell. A cell wall is a part of a cell but it is not a living component. Unlike the cell membrane, a cell wall is totally permeable in nature.

The cell wall of different kinds is present in plants, fungi and prokaryotes. Animal cells do not have a cell wall.

The cell wall in fungi is made up of a polysaccharide called chitin. This component is also present in the exoskeletons of arthropods.

The cell wall in the case of prokaryotes is made of a polysaccharide called peptidoglycan. Prokaryotes have 2 layers in their cell wall.

Plants contain cell walls made of cellulose. The plant cell wall has 3 layers. These are pectin, cellulose and hemicellulose. It also contains a small number of minerals.

The materials required for the formation of the cell wall are a special kind of polysaccharide called structural polysaccharides. The monomer for these polysaccharides is glucose.

Therefore, the correct option is A.

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Verdadero.

→ Porque, los microondas con/y las radiofrecuencias son radiaciones electromagnéticas de mayor frecuencia.

SALUDOS!

MiraculousAlejandra