Match the columns :
Column - $I$ | Column - $II$ |
$(1)$ Human embryos have gill | $(a)$ Chemical evolution |
$(2)$ Oparin and Haldane | $(b)$ Stimulation experiment |
$(3)$ Miller and uray | $(c)$ Wings of bird and butterfly |
$(4)$ Analogous organ | $(d)$ Outogeny repeats phylogeny |
$(1 - d), (2 - a), (3 - b), (4-c)$
Contribution of scientist : Hugo de Vries, Hardy - Weinberg and Ernest Haeckel.
Assertion : Natural selection is the outcome of difference in survival and reproduction among individuals that show variation in one or more traits.
Reason : Adaptive forms of a given trait tend to become more common; less adaptive ones become less common or disappear.
How do you express the meaning of words like race, breed, cultivars or variety ?
Give difference Amongest Lamarckism, Darwinism and Mutation Theory.
Match List $- I$ with List $- II.$
List $- I$ | List $- II$ |
$(a)$ Adaptive radiation | $(i)$ Selection of resistant varieties due to excessive use of herbicides and pesticides |
$(b)$ Convergent evolution | $(ii)$ Bones of forelimbs in Man and Whale |
$(c)$ Divergent evolution | $(iii)$ Wings of Butterfly and Bird |
$(d)$ Evolution by anthropogenic action | $(iv)$ Darwin Finches |
Choose the correct answer from the options given below.
$(a)- (b)- (c)- (d)$