Which one of the following statement is correct?
Stem cells are specialize cells
There is no evidence of the existence of gills during embryogensis of mammals
All plant and animal cells are totipotent
All plant and animal cells are totipotent
D.
All plant and animal cells are totipotent
Recapitulation theory or Biogenetic law states that ontogeny (development of embryo) is recapitulation of phylogeny (ancestral sequence)
The finches of Galapagos islands provide an evidence in favour of
special creation
evolution due to mutation
retrogressive evolution
retrogressive evolution
What is common to whale, seal and shark?
Seasonal migration
Thick subcutaneous fat
Convergent evolution
Convergent evolution
Adaptive radiation refers to
adaptations due to geographical isolation
evolution of different species from a common ancestor
migration of members of a species to different geographical areas
migration of members of a species to different geographical areas
When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed
divergent evolution
microevolution
co-evolution
co-evolution
