Question

How do darwin and de cries differ in their views on the mechanism of evolution if life on earth?

Answer 1

Darwin's theory of evolution

1. Darwin's theory of evolution is based on natural selection.

2. He believed tht minor variations cause evolution.

3. Darwinian variation are small & directional.

4. Darwin believed that evolution is a gradual process.

Hugo De Vries theory of evolution

1. Vries theory of evolution is based on mutations.

2. He believed tht mutation cause evolution.

3. Mutations are random & directionless.

4. Vries believed that sudden mutation caused evolution