Match the columns :
Column - $I$
Column - $II$
$(1)$ Charles Darwin
$(a)$ Mutation theory
$(2)$ Lamarck
$(b)$ Germ plasm theory
$(3)$ Hugo de vries
$(c)$ Philosophie zoologique
$(4)$ Ernst Haeckel
$(d)$ The origin of species
$(5)$ August Weismann
$(e)$ Biogenetic law
$(f)$ Eassy on population
Match the columns :
| Column - $I$ | Column - $II$ |
| $(1)$ Charles Darwin | $(a)$ Mutation theory |
| $(2)$ Lamarck | $(b)$ Germ plasm theory |
| $(3)$ Hugo de vries | $(c)$ Philosophie zoologique |
| $(4)$ Ernst Haeckel | $(d)$ The origin of species |
| $(5)$ August Weismann | $(e)$ Biogenetic law |
| $(f)$ Eassy on population |
$(1 - d), (2 - c), (3 - a), (4-e), (5 - b)$
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Definitions / Explanation : Analogous organs & Vestigial or rudimentary organs
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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.
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.
- [AIIMS 2004]
The three natural processes that form the basis for evolution are
The three natural processes that form the basis for evolution are
Match the columns :
Column - $I$
Column - $II$
$(1)$ Mutation
$(a)$ Change in population allele frequencies due to chance alone.
$(2)$ Gene flow
$(b)$ Difference insurvival and reproduction
$(3)$ Natural selection
$(c)$ Immigration, emigration change allele frequencies.
$(4)$ Genetic drift
$(d)$ Source of new alleles.
Match the columns :
| Column - $I$ | Column - $II$ |
| $(1)$ Mutation | $(a)$ Change in population allele frequencies due to chance alone. |
| $(2)$ Gene flow | $(b)$ Difference insurvival and reproduction |
| $(3)$ Natural selection | $(c)$ Immigration, emigration change allele frequencies. |
| $(4)$ Genetic drift | $(d)$ Source of new alleles. |