Question

a) In higher animals with trillions cells, transportation of materials is not possible through diffusion and osmosis .So a separate system is needed.
b) The specialized system is developed by the organisms is called "the circulatory
system".
A) Statement 'a' is the problem for which b' is the solution
B) Statement 'a' is the problem, but 'b' is not the solution
C) 'b' is the reason for the problem 'a'
D) Statement 'a' is solution for which the b' is problem​

Answer 1

Answer:

A) Statement 'a' is the problem for which b' is the solution

Explanation:

Transportation in plants occurs through diffusion and osmosis. But in animals, transportation occurs through circulation by the circulatory system