Question

If mutation occure due to genetic changes not by physical changes then how lamarckism theory of giraffe was aplicable

Answer 1

Explanation:

it is applicable because the organs which are used increases it sizes and the organs which are disused , size will not increases in size so giraffe uses thein necks for eating leaves on trees so , their neck get elongated...

hope it will help u

Shubhangi (^^)(^^)