Select the correct option to test your answer:
More Biology Questions
Which of the following marine fishes are considered direct descendents of fresh water ancestors?
A formation of little trees upto 4 m in height which are richly armed with thorns and for the most part have ternate or pinnate leaves, but are leafless during dry season is known as
Interactions with external factors which influence or cause competitiorr include
Immunization by vaccination was first introduced by?
So far over _____________ number of species of animals are known?