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Svet_ta [14]
3 years ago
5

Which of the following statements regarding fins on fishes is true?Fins are an adaptation that aid in swimming.Fins resulted fro

m a mutation caused by a movement from land to water.Fins came about because animals couldn't live in water without them.Fins evolved so that fish could swim better.
Biology
1 answer:
Hatshy [7]3 years ago
6 0

Answer:

The correct option is <em>A. Fins are an adaptation that aid in swimming.</em>

Explanation:

Fins are an adaptation which brings about different kinds of locomotion in fishes. They allow fishes to move forward, to turn their bodies, to keep an upright position. They also aid the fishes to swim. Also, there are certain types of fishes which can fly using pectoral fins. However, the fins were first used by fishes for locomotion. There are different types of fins present in different kinds of fishes. Each kind of fin is best suited to perform different actions.

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Answer:

Option C is correct. The flow chart best shows the relationship between the cell structures is:

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Explanation:

DNA can be described as the material of inheritance.

A gene can be described as the basic unit of inheritance. It is made up of segments of DNA.

Chromosomes can be described as thread-like structures which are made up of different genes.

The nucleus is the site where chromosomes are placed. The nucleus is found in every eukaryotic organism.

Hence, the correct order for these cell structures is illustrated in option C.

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2 years ago
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Answer:

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