Question

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

Answer 1

Answer:

Evolution and changing food sources

Explanation:

Answer 2

The evolution of giraffe.

The giraffe is a long necked animal that is found in most parts of the countries nd is herbivorous animal. It has a neck that is evolved to reach the tallest parts of the trees. The millions of years ago the ancestors of the giraffe family sed to at the grass leaves on the ground.

Thus the answer is adaptation and changing preferences.

• The long neck of the giraffe is a sign of the genetic evolution and a sign of adaptation of the spices towards the changing environment.

• The long neck of the giraffes is due to their adaptation. Over the millions of years the environmental factors as search for food, survival and changes in body size.

• Thus the giraffes changed due to the survival of the fittest.

Learn more about the  ancestors of giraffes had short necks.

brainly.com/question/15216918.