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docker41 [41]
3 years ago
15

Which describes gas exchange in the respiratory system?

Biology
2 answers:
kvv77 [185]3 years ago
7 0

Answer:

A

Explanation:

kolbaska11 [484]3 years ago
6 0

Answer:

A.

Explanation:

A. Gas exchange happens through diffusion.

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Oxygen is the most abundant element by volume in earths
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This is corect but METHANE IS THE NUMBER ONE REASON WE HAVE GLOBAL WARMING
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3 years ago
describe the basic process of evolution by natural selection. Describe the underlying genetic basis and role of the environment
shepuryov [24]

Answer AND Explanation:

Darwin describes natural selection as a process whereby nature selects those organisms that have favourable characteristics to be parents of the next generation. The individuals possessing the favourable traits are better suited to the prevailing environmental conditions. This enables them to stand a better chance to survive in the struggle for existence due to limited resources.

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3 years ago
An ecological pyramid illustrates the amount of energy at each trophic level. A biomass pyramid differs by showing what at each
frutty [35]

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8 0
4 years ago
form and function are related. describe how the form of the tracheal wall is related to its four functions
aalyn [17]

Given what we know we can confirm that the tracheal wall is related to its function in that it allows it to conduct air in a sealed manner and protect the individual.

<h3>What is the function of the trachea?</h3>

The primary function of the trachea is to conduct air into the lungs. For this, the trachea is long and narrow, to allow air to flow in a directed manner towards the lungs. The trachea is also "armored" to protect this air flow and is lined with mucus to sweep away any unwanted particles from the air.

Therefore, we can confirm that the trachea is armored and lined with mucus along its long, tube-like shape, which allows this structure to conduct air in a safe, clean, and direct manner directly towards the lungs.

To learn more about the trachea visit:

brainly.com/question/13874056?referrer=searchResults

7 0
2 years ago
What will happen if a white crowned sparrow does not hear the song of its species?
adoni [48]

The white-crowned sparrow must listen to and memorize other adult sparrow singing. It then copies the song it hears as well as it possibly can, then compare its own song with the one it memorized. If the sparrow doesn't hear the song at an early stage, then it can't memorize it and instead it creates it's own version of the song until it hears the adult song.

Let me know if this helped! :) Have a nice night Crissybraco5217!

6 0
3 years ago
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