Question

Read the following statements and justify same in your own words with the help of suitable examples.
a. Human evolution began
approximately 7 crore years ago.
b. Geographical and reproductive
isolation of organisms gradually leads to speciation.
c. Study of fossils is an important
aspect of study of evolution.
d. There is evidences of fatal
science among chordates.​

Answer 1

Answer:

a. Before 7 crore years ago evolution of humans began.

b. Speciation is gradually leaded by geographic and reproductive isolation of organisms .

c. study of evolution is an important part of study of fossils.

d. chordates have evidences of fatal science.

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