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katrin [286]
3 years ago
5

Which compound was abundant in Precambrian Earth’s oceans, before complex life evolved on Earth?

Biology
2 answers:
rjkz [21]3 years ago
8 0

Answer:

Dissolved carbon dioxide

Explanation:

Just took the test and it was correct

den301095 [7]3 years ago
6 0

Your answer is for your question is B. Dissolved carbon dioxide

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What other structures of the cytoskeleton would show the same pattern of microtubules as a flagellum
pashok25 [27]

Answer:

<u>Cilia</u>

Explanation:

Cilia and flagellum are made up of microtubules.

Cytoskeletal filaments are structures which allow movement. In cilia and flagella, the cytoskeletal filaments are present in the form of microtubules and the primary work of these structures is to facilitate in movement.

Cilia is also present in mammals to facilitate the movement of fluids in cells.

Structurally, there is no difference between cilia and flagella. The only difference between cilia and flagella is in their lengths.

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2 years ago
Which organism would probably be the first to grow on a new volcanic island?
kvasek [131]
Grass would be the correct answer because grass seeds can float in the air. It grows everywhere and at any weather.
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3 years ago
in order to increase chances of survival in a changing environment, it is important for a species to have
andrezito [222]

Answer:

One key way by which species evolve over time in response to changes in environmental conditions is adaptation by natural selection acting over generations. Characteristics that aid in effective survival and reproduction in the new environment grow more prevalent, while those that do not become less prevalent.

Explanation:

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3 years ago
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8 0
2 years ago
A 67-year-old client reports to her healthcare provider that she is having difficulty during intercourse, causing her pain and d
Yakvenalex [24]

The cause of the client’s pain must be because of atrophy of bulbouretheral glands. The bulbourethral glands are the one responsible for secreting a substance which we call alakaline, in order to be able to provide neutralization in the acidic environment in a person’s urethra. The bulbourethral glands are also responsible in having to provide lubrication to a person when having to do a sexual intercourse. If it gradually declines in its effectiveness, during sexual intercourse, it would likely cause the person to have pain and have difficulty in having to do an intimacy with the person’s partner as atrophy may be present in the person’s bulbourethral gland.

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