Answer: A closed circulatory system and an excretory system consisting of tubular nephridia
Explanation:
Photosynthesis takes place
Answer:
D
Explanation:
D. The second cell would not be able to produce as much food because it could not capture sunlight.
Explanation:
Cell membranes are selectively permeable. Some solutes cross the membrane freely, some cross with assistance, and others do not cross at all. A few lipophilic substances move freely across the cell membrane by passive diffusion. ... Large molecules do not cross intact cell membranes, except in certain special cases.