Explain Parasitism and co. evolution with the help of one example of each.

Explain convergetn and divergent evolution with the help of one example of each.

Explain food chain with the help of one example .

a) Explain Darwinian theory of evolution with the help of one suitable example. State the two key concepts of the theory. b) Mention any three characteristics of Neanderthal man that lived in near east and central Asia.

Explain mutualism with the help of an example.

What is a force? Explain with the help of some examples.

Explain inhibitory effect of auxins with the help of one example

Explain commensalism, with the help of an example.

What is brood parasitism? Explain with the help of an example.