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Kruka [31]
3 years ago
10

A remarkable fact about cells is that

Biology
1 answer:
Vilka [71]3 years ago
3 0
cells are basic building block of living things.
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How are primary and secondary succession similar and how are they different?
stepladder [879]
They are similar to those of primary succession, primary succession occurs in an area without any initial. Succession always begins on a barren surface, whereas secondary succession be gains in environments that already possess soil. I hope this helps.
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An adaptation is a trait that _____. enables an organism to survive and reproduce selects which species live in water or land en
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Enables an organism to survive.

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How does carbon cycle between the atmosphere and the biosphere?
TiliK225 [7]

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A lot of carbon passes through the atmosphere and into the biosphere through the plants consuming it, or in other words, photosynthesis, and the plants waste is oxygen, which animals breathe and turn into carbon dioxide

TL;DR Plants enter carbon into the biosphere and animals release it into the atmosphere

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Honeybees eat nectar found in flowers. In the process of gathering nectar, bees carry pollen from flower to flower. This allows
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2 years ago
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Use the principles of diffusion to explain why oxygen molecules in the tissues of the lung go into the blood
Keith_Richards [23]

Answer:

Oxygen molecules in the tissues of the lung diffuse into the blood because the concentration of oxygen in the lung's tissues is more than the concentration of oxygen in the blood.

Explanation:

Diffusion is the movement of molecules from the region of higher concentration of the molecule to the region of lower concentration of the same molecule. Molecules in diffusion move <em>downward the concentration</em> <em>gradient</em> created by difference in concentration between two regions until an <em>equilibrium (equal concentration in the two regions)</em> is established.

Oxygen molecules diffuse into the tissues of the lung when an organism breathes-in during the process of breathing. The molecules in the now oxygen-rich tissues eventually start diffusing into the blood in the lung because the blood passing through the lung is always de-oxygenated or has lower oxygen concentration compared to the tissues of the lung.

Oxygenated blood moves into the heart, pumps round the body by the heart, gets depleted of oxygen and eventually find its way back to the lung where the process is repeated.

Diffusion of oxygen from the tissues of the lung into the blood will keep happening as long as oxygen keeps getting dissolved into the lung's tissues and an equilibrium is yet to be established between the tissues and the blood.

8 0
3 years ago
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