Question

0.18) The casuality behind the
sudden changes was
understood due to......
principal of Hugo de Vries.​

Answer 1

Answer:

The causality behind the sudden changes was understood due to mutation principle of Hugo de Vries. ... He gave the theory of mutation. According to him, species evolved from one species to another through sudden changes of the traits called as mutation.

Answer 2

The causality behind the sudden changes was understood due to mutation principle of Hugo de Vries. ... He gave the theory of mutation. According to him, species evolved from one species to another through sudden changes of the traits called as mutation.

Explanation:

I hope it is helpful....