I know this is a little late but i thought i should still tell you that its the endocrine organ
This organelle is called C. Plasma or cell membrane.
Answer:
limbs form the baby has fingers, hands,arms, feet and toes. they can now open and close their fists and mouth
Answer: Sea stars move using a water vascular system. Water comes into the system via the madreporite. It is then circulated from the stone canal to the ring canal and into the radial canals.
Explanation: The radial canals carry water to the ampullae and provide suction to the tube feet.
