1. When more than one adaptive radiationsappeared to have occurred in an isolatedgeographical area, this is called...
Question:
1. When more than one adaptive radiationsappeared to have occurred in an isolatedgeographical area, this is called as :
(1) Convergent evolution
(2) Divergent evolution
(3) Retrogressive evolution
(4) Continuous evolution
2. Which one of the following is a commonancestor of birds, mammals and crocodiles ?
(1) Sauropsids
(2) Synapsids
(3) Early reptiles
(4) Pelycosaurs
3. According to Hugo de Vries :
(1) Mutation are small and directionless
(2) Mutations are large and random
(3) Mutation can't cause speciation
(4) Mutations are the non-heritable variations
4. Which phenomenon brings by chance change ingene frequency in a small and isolated population ?
(1) Gene flow
(2) Natural selection
(3) Random mating
(4) Genetic drift
5. A process in which heritable variation enablingbetter survival are enabled to reproduce andleave greater number of progeny is called :-
(1) Natural selection
(2) Genetic drift
(3) Founder effect
(4) Saltation
Expert Answer:
Question no 1 Answer The correct answer is option 1 Convergent DESCRIPTION Convergent evolution occurs when species of different origin evolve to have similar characteristics because they share the sa... View the full answer
