Question

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Genetic Variation Over Time Quick Check
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Question
How would reducing low-growing plants from an area impact a population of tortoises with two varieties of neck extension ability: short and long distance?(1 point)
Responses

The variety of tortoises with the ability to extend their necks a long distance would go extinct.
The variety of tortoises with the ability to extend their necks a long distance would go extinct.

The variety of tortoises that could only extend their necks a short distance would go extinct.
The variety of tortoises that could only extend their necks a short distance would go extinct.

The proportion of tortoises with the ability to extend their necks a long distance would increase.
The proportion of tortoises with the ability to extend their necks a long distance would increase.

The proportion of tortoises that could only extend their necks a short distance would increase.
The proportion of tortoises that could only extend their necks a short distance would increase.
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Answer 1

Reducing low-growing plants from an area would likely impact the tortoise population by favoring the variety of tortoises with the ability to extend their necks a long distance. The reasoning behind this is that with fewer low-growing plants available as a food source, tortoises that can reach higher vegetation would have a competitive advantage.

Therefore, the best response is:

**The proportion of tortoises with the ability to extend their necks a long distance would increase.**

This response indicates that long-necked tortoises would be better suited to survive and reproduce in an environment where low-growing plants are sparse.