Give difference Amongest Lamarckism, Darwinism and Mutation Theory.
Give difference Amongest Lamarckism, Darwinism and Mutation Theory.
| Properties | Lamarckism | Darwinism | Mutation Theory |
| $(a)$ Vital force | The theory believes that every organism has an internal vital force that tends to increase its size upto a certain limit. | Darwinism does. not believe in internal vital force. | No internal vital force is involved. |
|
$(b)$ Conscious Reaction |
Animals with well developed nervous system react consciously to any change in environment. | Darwinism does not involve any conscious reaction. | No conscious reaction is belived to take part in the process of evolution. |
| $(c)$ Appetency | The theory considers appetency or desires on the part of animals an important force in the development of modifications. | It is not a constituent of the theory. | Appetency is not involved. |
| $(d)$ Use and disuse | The organs put to more use are believed to develop more while organs not used begin to degenerate. | The theory is silent about use and discuss of organs. | The theory is silent about it. |
Similar Questions
$A$ : $A$ single large mutation called saltation can produce new species.
$R$ : Mutations are directional
$A$ : $A$ single large mutation called saltation can produce new species.
$R$ : Mutations are directional
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
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 |
Definitions / Explanation : Homology & Adaptive radiation or divergent evolution
Definitions / Explanation : Homology & Adaptive radiation or divergent evolution
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 |
The three natural processes that form the basis for evolution are
The three natural processes that form the basis for evolution are