Q30 of 167 Page 209

What is meant by a species ? Give two examples of plant species and two of animals.

(A) A species refers to a group of organisms consisting of similar individuals capable of exchanging genes (interbreeding)

Example

•Plant species- Wheat, Daisies, Conifers, etc.

•Animal species- Cow, Dog, Elephant, etc.

Out of bacteria, spider, fish and chimpanzee, which organism has a better body design in evolutionary terms? Give reason for your answer.

With the help of an example, explain how variation leads to evolution.

State the various factors which could lead to the formation of new species.

What evidence do we have for the origin of life from inanimate matter (lifeless matter)?