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OleMash [197]
2 years ago
14

Why do you think this is important for aquatic animals that live in very cold places?

Biology
1 answer:
Elenna [48]2 years ago
6 0

Answer: here´s why

Explanation: Underneath the frozen upper layer, the water remains in its liquid form and does not freeze. Also, oxygen is trapped beneath the layer of ice. As a result, fish and other aquatic animals find it possible to live comfortably in the frozen lakes and ponds. If water is heated, its volume gradually decreases.

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Mutation is a random and non-adaptive process. This was first proven by:
s2008m [1.1K]

Answer:

Option (d).

Explanation:

Mutation may be defined as the sudden, heritable change in the nucleotide sequence of the organism. Mutation may occur due to the errors in DNA replication or may occurs due to the mutagens.

Joshua and Lederberg experiment explains that mutation is the non adaptive and random process that occur in the organism. He used the replica plating of E.coli and grows them on streptomycin drug. The bacteria was grown on the the primary plate and they are transferred to the secondary plate with streptomycin drug in the growth environment. The resistant strain of bacteria grows in the streptomycin environment.The pattern of bacteria growth on the plate explained that mutation occurs randomly and it is a non adaptive process.

Thus, the correct answer is option (d).

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3 years ago
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EXPLANATION:

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2 years ago
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mihalych1998 [28]

Answer:

B - Shape of the molecule that is known as a double helix

Explanation:

7 0
3 years ago
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5 0
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Drag and drop the words or phrases that accurately complete the paragraph.
Tresset [83]

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