Circulatory systems solved the problem of _____ in animals with coeloms.
A)the shorter length of digestive tracts
B)the barrier to diffusion created by tissue surrounding the gut
C)living in a terrestrial habitat
D)complexity of movement
E)decrease in oxygen levels

Question

Quizplus · Accepted Answer

Coeloms are fluid-filled cavities which act as a cushion for the internal organs, but they create a barrier for diffusion in the digestive system. Circulatory systems solved this problem by transporting nutrients and gases throughout the body, allowing for efficient exchange between tissues.

Circulatory Systems Solved the Problem of _____ in Animals with Coeloms