Question

O True False Question 10 1 pts How did the early evolutionist Lamarck explain giraffes' long necks? Giraffes born with the longest necks were more likely to flourish and survive, then pass down this natural trait to their offspring During a giraffe's lifetime, its neck became longer to reach higher leaves in its environment, and it passed down this acquired trait to its offspring. Giraffes with shorter necks changed their eating habits in response to their mutation. They were able to survive by eating grasses and berries from bushes, thus were able to flourish in a population. The first giraffes were created with long necks so that they could reach high leaves to survive.

Answer 1

Answer 10)

2 is the right statemenr.

Lamarck gave the theory of use and disuse of organ. According to him, the trait which are used more in the organ and favorable for organism will pass to the offspring whereas non useful trait are not passed.

Here the long neck in giraffe provides them the leaves at higher height. This trait is an acquired trait. Because it is found in giraffe during their life time. Auch long neck are passed to the progenies.