"It is a stochastic process based on chance events in nature and chance mutation in the organisms". This statement tells us about

Read the following sentences carefully and choose the option having incorrect statements.

Read following statements carefully.

A. Studies suggest that first organisms that invaded land were plants.

B. Saltations are large mutations and directionless while Darwinian variations are small and directional.

C. Sauropsids were common ancestors of therapsids and thecodonts

D. Homo habilis was the first hominid with brain capacity ranging between $650-800\mathrm{cc}$

Given below are four statements (A-D) each with one or more blanks.

Statement

(A) Eyes of __I__ and mammals look alike and are results of __II__ evolution.

(B) Nictating membrane is a __I__ organ and an __II__ evidence of evolution.

(C) Miller provided an experimental evidence of __I__ evolution in a sealed chamber containing ${\mathrm{CH}}_4,{\mathrm{NH}}_3,{\mathrm{H}}_2$ and __II__.

(D) Industrial melanism is an example of __I__.

Select the option which correctly fills up the blanks in two statements.