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Multiple choice.
The survival of a species depends on its ability to adapt to changes in the environment. A species must be capable of surviving and reproducing despite changes to food sources, climate, or threats from predators. Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment?

A. Mutations are a source of variation in the species.

B. Mutations are the cause of disease in the species.

C. Mutations are not harmful when they occur in somatic cells of the species.

D. Mutations are always passed on to subsequent generations of the species.

Answer 1

Answer:

A

Explanation:

A. when there is a variation or mutation there might be the chance that they develop a way to eat plants that they normally would not be able to. If and when they survive they reproduce passing on the genes to there offspring and so on. if the mutation is bad then the animal will die therefore not passing on there genes.

Answer 2

The statement 'mutations are a source of variation in the species' correctly describes a way that mutations increases the likelihood that a species will survive in a changing environment (Option A).

• Mutations are any alteration in the genetic material (nucleotide sequence) of the genome of an organism.

• Mutations can be beneficial, deleterious or neutral depending on the environmental conditions in which the individual suffering the mutation lives.

• Germinal mutations (i.e., mutations in the gamete cells) can be passed to offspring and thus increase the genetic variation of the species and/or population in which these mutations appear.

In conclusion, the statement 'mutations are a source of variation in the species' correctly describes a way that mutations increases the likelihood that a species will survive in a changing environment (Option A).

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