How does the structure of the stomach best represent the relationship between structure and function?

The stomach has multiple chambers to improve digestion of food.

The powerful muscles around the stomach help it compress food.

The acid-resistant tissue of the stomach holds acid that breaks down food.

The spongy texture of the stomach helps it absorb food and liquids.

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:

accelerate; reach

Explanation:

EPSPs fire to trigger action potentials in the postsynaptic cell, by getting the membrane potential to threshold at the axon hillock true, or initial segment of the axon

synaptic knob can fire several times, as others fire as well, so EPSPs can be summed or added; the whole cell body depolarizes, causing current flow, eventually causing an AP to propagate down the axon if brought to threshold at the axon hillock/initial segment.

-remember, as one synaptic knob firing causes 0.5mV charge, you need much more than one to get to threshold.

T/F: if a knob is closer to the axon hillock, more charge will get to it

EPSPs, as described above, are what happens in efferent neurons, which go to effectors, and in interneurons, which are found in the CNS between afferent and efferent neurons

-we already covered afferent neurons, which cause APs to fire in the membrane next to the receptor (toward the CNS)

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Estuaries are partially enclosed water bodies.

Water bodies called estuaries and the marshes that surround them are typically found where rivers and the sea converge.

Unique plant and animal communities that have adapted to brackish water, which is a mixture of fresh water that drains from the land and salty ocean, can be found in estuaries.

Many of the environmental services and features that brackish estuaries provide, such as acting as natural runoff filters and functioning as nursery grounds, are also provided by these freshwater estuaries.

They have clean water and provide a safe growing and protected environment and hence are great spawning grounds for a wide variety of fish and shellfish.

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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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The historical, political or geographical factors that contribute to the difference in renewable energy consumption are energy generation, the dependence of natural resources that are uncontrollable by man, problems of energy quality and location of the resource.

One of the main challenges for generating energy from renewable sources is economic. Investing in energy matrices from renewable sources has a high cost, in addition to being considered a risky investment.

Non-renewable energy is also considered a type of dirty energy, as it causes damage to the environment and also to man, such as the destruction of ecosystems, global warming, acid rain, the greenhouse effect, among many other problems.

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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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The lymphatic system, or lymphoid system, is an organ system in vertebrates that is part of the immune system, and complementary to the circulatory system. It consists of a large network of lymphatic vessels, lymph nodes, lymphatic or lymphoid organs, and lymphoid tissues. The vessels carry a clear fluid called lymph (the Latin word lympha refers to the deity of fresh water, "Lympha") back towards the heart, for re-circulation.

Unlike the circulatory system that is a closed system, the lymphatic system is open. The human circulatory system processes an average of 20 litres of blood per day through capillary filtration, which removes plasma from the blood. Roughly 17 litres of the filtered blood is reabsorbed directly into the blood vessels, while the remaining three litres are left in the interstitial fluid. One of the main functions of the lymphatic system is to provide an accessory return route to the blood for the surplus three litres.

The other main function is that of immune defense. Lymph is very similar to blood plasma, in that it contains waste products and cellular debris, together with bacteria and proteins. The cells of the lymph are mostly lymphocytes. Associated lymphoid organs are composed of lymphoid tissue, and are the sites either of lymphocyte production or of lymphocyte activation. These include the lymph nodes (where the highest lymphocyte concentration is found), the spleen, the thymus, and the tonsils. Lymphocytes are initially generated in the bone marrow. The lymphoid organs also contain other types of cells such as stromal cells for support. Lymphoid tissue is also associated with mucosas such as mucosa-associated lymphoid tissue (MALT).

Source : Wikipedia

Answer:

B

Explanation:

hope this works for you :)

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.

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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This sphere's volume would be around 2,551,000 [tex]mi^{3}[/tex](10,633,450 [tex]km^{3}[/tex]), and its diameter would be approximately 169.5 miles (272.8 [tex]km[/tex]). Yes, all of this water is fresh water, which we all use on a daily basis, but a large portion of it is underground and inaccessible to humans.

The biggest sphere, which would represent all the water on, in, and above the Earth, would have a volume of around 332,500,000 cubic miles ([tex]mi^{3}[/tex]) (1,386,000,000 cubic kilometers ([tex]km^{3}[/tex]) and a diameter of approximately 860 miles (almost 1,385 kilometers). The oceans contain over 96.5 percent of the planet's total water, covering about 71 percent of its surface.  Only 3% of the water that makes up the surface of the globe comes from freshwater sources. This means that the total amount of water on the surface of the world is 1,386,000,000 [tex]km^{3}[/tex]. Fresh water volume is equal to 3% of 1,386,000,000, or 41,580,000 [tex]km^{3}[/tex].

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Answerحبيبي والله انا نخبة معرفش يعني بس لو تبا الحل اسأل مس سيمة

جاوب السوال واضح

Answer:

Blowing on your wet hand helps the water and alcohol to evaporate. The airflow will also support the heat transfer away from your skin.

Explanation:

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:

Primatologists

Explanation:

Primatologists are scientists who study primates, such as gorillas, orangutans, chimpanzees, and lemurs. The other anthropologists: forensic anthropologists, archaeologists, and cultural anthropologists study mostly humans, not non-human primates.

The field of Earth science would be involved in studying the surface features of Jupiter's moons is Geomorphology.

Geomorphology, which literally means the study of the shape or form of the Earth, focuses mostly on the topographical characteristics of the planet's surface. It is focused on how landforms are categorized, described, and how they came to be.

The study of landforms and their evolution is known as geomorphology. Both qualitative and quantitative research have traditionally been done on the subject, with the former focusing on the description of landforms and the latter on the forces acting on the Earth's surface to create and alter landforms.

In conclusion, the correct option is Geomorphology.

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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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Answer:

Basically you need to get several goldfish and different containers that are a different water temperature.

Explanation:

Good luck with your experiment, and this is all I got for ya! Good luck!

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! :)

The cell in the photograph is a Eukayotic cell since the structure with the label "x" is the nucleus. The cell in the image is a plant cell since the component marked with the letter "w" is the chloroplast.

What is plant cell?

Plant cells are the essential building element of life in species of the order Plantae. These cells, which are referred to as eukaryotic cells, contain a true nucleus as well as specialized parts called organelles that have various functions. Only in plants are chloroplasts, specialized organelles that utilise photosynthesis to make sugars in their cells.

Eukaryotic cells found in plants differ significantly from those seen in other eukaryotic organisms in a number of significant ways. One of the traits that sets a plant cell apart from other cells is the presence of a cell wall outside of the cell membrane.

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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: 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.

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 D).

A structure is an overall form or organization of organs, tissues, cells etc. in living organisms.

Living organisms are directly dependent on certain structures in their morphology to survive. This is because these structures perform specific functions that determine their survival.

Examples of structures found in living organisms and the function they perform are as follows:

Therefore, 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.

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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:

Answer: I think it is the last answer D

It is clear that the form in which phosphates mostly occur is the Inorganic phosphate.

Elements are the smallest indivisible particles of a substance that is capable of independent existence. Now we know that phosphorus is one of the most abandonment elements on earth because it is part of rocks and many soil formations on the earth.

There are many inorganic elements and compounds that could be found in nature especially in the soil and these are mostly found in rocks as well as the soil.

Thus, we it is clear that the form in which phosphates mostly occur is the Inorganic phosphate.

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Answer:

Look at this....................It should help you