Question

The word under inverted comma ( " " ) are incorrect correct it by choosing the right option.
A repetitive motion, which repeats itself after a fixed interval of time is called the " vibratory motion".

Periodic motion
Non -periodic motion​

Answer 1

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A.Embryological evidence of evolution has been shown in the picture.

B.Similarities between all embryos in early stages indicates that all those animals may have common

ancestor.

C.Vestigial organs, Connecting link, etc.

Answer 2

Explanation:

. Evolution is the gradual change occurring in living organisms over a long duration.

ii. This is a very slow-going process through which development of organisms is achieved.

iii.All the stages in changes occurred in various components ranging from stars and planets in space to

the biosphere present on the Earth should be included in the study of evolution.

iv.Formation of new species due to changes in specific characters of several generations of living

organisms as a response to natural selection, is called as evolution.

v. Progressive development of plants and animals from ancestors having different structural and

functional organisation is called evolution.

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