millions of years ago, the ancestors of giraffes had short necks and used to eat leaves from the bushes on the ground. a genetic mutation caused one giraffe's neck to be taller. this long-necked giraffe was able to eat leaves that were higher up on trees. this gave it an advantage as it was able to access more food than other giraffes. over millions of years, all of the giraffes became long-necked. which type of environmental factor caused this mutation to be inherited? (1 point) responses exercise requirement exercise requirement food availability food availability radiation exposure radiation exposure polluted environment

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15-11-2022
Biology

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millions of years ago, the ancestors of giraffes had short necks and used to eat leaves from the bushes on the ground. a genetic mutation caused one giraffe's neck to be taller. this long-necked giraffe was able to eat leaves that were higher up on trees. this gave it an advantage as it was able to access more food than other giraffes. over millions of years, all of the giraffes became long-necked. which type of environmental factor caused this mutation to be inherited? (1 point) responses exercise requirement exercise requirement food availability food availability radiation exposure radiation exposure polluted environment

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RupaBera RupaBera · Answer 1 · 2022-11-18T05:22:52+01:00

This mutation was brought about by the giraffe's environmental evolution.

The giraffe is a long-necked, herbivorous animal that can be found over most of the world. Its neck has adapted to enable it to access the highest points of the trees. The giraffe family's ancestors used to eat the grass leaves on the ground millions of years ago.

What hypothesis explains why giraffes have longer necks than their ancestors do?

According to the Darwinian theory of evolution, some giraffes developed longer necks than others due to random variation. They were able to reach leaves high up in the trees in their environment because of their long necks.

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