Question

Give an example of body characteristics used to determine how close two species are in terms of evolution and explain it.(All India - 2011)

Answer 1

An example can be:

Explanation:

• Chimpanzee and Human.

1. They lie close to each other in the evolutionary tree.
2. Eyes are frontally located - Eyes in most animals, cow, deer, tiger, etc are laterally located but in human and chimpanzee they are located in frontally located eye sockets.
3. Both exhibit bipedalism: They can stand and walk on their hind limbs unlike many other animals.
4. Capable of folding their thumb, which helps them to grasp things. This feature is absent in many animals.