BIOLOGY
JAMB 2010 - Question 32
Biology 2010 JAMB Past Questions - Question 32: Which of the following organisms is mainly found in the marine habitat?
Choose the most appropriate option for the gap .
A:
B:
C:
D:
Correct Answer
B
Explanation
B - Dog fish is a cartilaginous fish Like other cartilaginous fishes such as sharks, sting-rays and skates, it is able to live successfully in marine habitat because) It stores little urea in the blood to help raise the osmotic concentration of it's blood slightly higher than that of marine water to avoid loss of water from it's body by osmosis.) It has glandular ceils at it's rectum that excrete excess salts from it's blood. Achatina is a giant African snail. Tortoise and Achatina are mainly terrestrial animals while Tilapia is a fresh water fish.

