Gujarati
Hindi
6.Evolution
medium

Describe the embryological support for evolution.
 

Option A
Option B
Option C
Option D

Solution

Embryological support for evolution was also proposed by Ernest Heckel based upon the observation of certain features during embryonic stage common to all vertebrates that are absent in adult.

For example the embryo of all vertebrates including human develop a row of vestigial gill slit just behind the head but it is a functional organ only in fish and not found in any other adult vertebrates.

$\rightarrow$ However this proposal was disapproved on careful study performed by Karl Ernest Von Baer.

$\rightarrow$ He noted that embryos never pass through the adult stages of other animals.

Standard 12
Biology

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