why the ideas of heredity and genetics that we have discussed earlier is essential for understanding evolution and what is hierarchy

Asked by  | 17th Jan, 2012, 12:01: PM

Expert Answer:

Evolution is the process of change in all forms of life over generations. All individuals are supplied with hereditary material in the form of genes that are received from their parents, then passed on to their offspring. Thus, it is must to study heredity and genetics for understanding evolution.
Hierarchy means classification according to various criteria into successive levels or layers.
 
 

Answered by Meghna Thapar | 18th Jan, 2012, 10:16: AM

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