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Evolution

Question

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What role fire played in the early evolutionary history of man ?

Solution

The discovery and taming of fire was one of the important landmark in the evolutionary history of man because of the followings :

1. Fire protected man from cold weather.

2. Fire protected man from wild beasts.

3. The cooking habits also changed with the help of fire, the man started cooking food.

4. Making of tools was made possible with the heat of fire.

Some More Questions From Evolution Chapter

What were the units of life according to the early Greek thinkers ?

Mention the type of nutrition in the cells originated first during the origin of life.

Which group of organisms were responsible for appearance of free oxygen in the atmosphere of the primitive earth ?

What is meant by the term fossil ?

What is the type of evolution in which the same structure developed along different directions due to adaptations to different needs ?

Name the different eras of geologic time scale.

What is single step large mutation?

Consider a thorn in Bougainvillea and a tendril in cucurbita. Are these two organs homologous or analogous ? Give reason.

Give two examples that represent adaptive radiation.

Which theory attempts to explain to us the origin of universe?

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