Which of the following features are found in invertebrates that enable them to exchange nutrients and gases without the use of a circulatory system?
A)trilobed gastrovascular cavity
B)coelomic fluid within the body cavity
C)exposure of the cells to the external or internal environment
D)All of these features enable invertebrates to exchange gases and nutrients without a circulatory system.

Question

Quizplus · Accepted Answer

Invertebrates can exchange gases and nutrients through direct exposure of cells to the environment, a gastrovascular cavity, or coelomic fluid, all of which facilitate diffusion without a circulatory system.

Which of the Following Features Are Found in Invertebrates That