Answer:
Echinoderms use its tube feet for "<u>movement, respiration and taking food".</u>
Explanation:
Tube Feet are tiny tube like projections on oral side of echinoderms. They use it for movement, food and respiration. Echinoderms also use them to stick the ocean floor and move at a leisurely pace.
Answer:
small intestine, i think?
Explanation:
Three ways I can come up with are increasing the temperature, increased the amount of solvent, and using a solvent with similar polarity as the solute.
Answer:
The advantage is that they are more faster and efficient. The size allows nutrients and other types of material to diffuse through the cell membrane. Also information is transmitted more quickly through small cells then large cells.