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Oksanka [162]
3 years ago
7

Which of the earths spheres is made up of the gases and air that surround the earth and sustain life

Biology
1 answer:
Step2247 [10]3 years ago
7 0
The atmosphere, it holds all air on earth and keeps life livable by protecting use from the suns rays. The answer is atmosphere. :)
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Which statements describe analogous structures? Select three options. Analogous structures indicate a common ancestor. Analogous
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Answer:

The correct answers are:

Analogous structures do not indicate a common ancestor. Analogous structures have the same function but a different structure. An example of an analogous structure is the wing of a bat and a butterfly.

Explanation:

Analogous structures are the structures that have a similar function in various organisms but their anatomic structure is different from one another in reality. Analogous structures are do not indicate a common ancestor.

An analogous structures example is the wings of the bat and butterfly as they are both used for flying but their structure is different anatomically from one another.

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2 years ago
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Answer:

it Changes according to the receptor.

Explanation:

Every cell has different receptors in the membrane, these receptors are specific, but different receptors can read one signal molecule, according to the receptor, this molecule can activate or inactivate different path ways.

Let me put it this way, if I give the same message to a botanist and a gardener they both are going to read it in different way even knowing it is the same.

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Explanation:

By using sound absorbing substances we can reduce the echoes.

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Which organelle stores water and helps to maintain the plant cell shape? C D B E A F G H
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Answer:

H. Vacuole.

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Vacuole is the organelle that is responsible for storing of water and helps to maintain the shape of plant cell. Plant cell has one large vacuole that maintain water balance in plant cell. vacuoles are also used to store cellular fuel by some cells in animals, plants, and microorganisms. In animals, vacuole is small and responsible for the storing of waste products that are produced in the cell.

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