Direction for: In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements mark the correct answer as
Assertion Open circulatory system is found in most arthropods. Reason Arthropods contain haemolymph which directly bathes internal tissues and organs.A) extinction of these species from other regions
B) continental separation
C) absence of terrestrial route to these places
D) retrogressive evolution
Correct Answer: A
Solution :
Most arthropods certain molluscs and tunicates contain open circulatory system. In them, a fluid composed of blood mixed with tissue fluid bathes with internal tissues and organs directly. It oozes through spaces or cavities that surround the organs, this mixture of fluid is usually referred to as haemolymph.
You need to login to perform this action.
You will be redirected in
3 sec
