Q.1.
Which one of the following is an inherited variation?
Q.2.
Which group do Seals belong to?
Q.3.
Which of the following animals have a backbone?
Q.4.
Which of the following groups breathe through moist skin and lungs, and need water to breed?
Q.5.
Which one of the following is an environmental variation?
Q.6.
Which one of the following shows continuous variation?
Q.7.
Which of the following groups is warm blooded?
Q.8.
Which one of the following shows discontinuous variation?
Q.9.
Animals with a backbone are called what?