Sea Star Aboral Diagram. Sea star aboral diagram wiring diagram t5. The sea stars arms are filled with digestive glands called pyloric caeca which help with digestion.
To the dissection of. With the help of figure 1717 dentify the central disk and five adult sea star have. They typically have a central disc and five arms though some species have a larger number of arms.
The aboral or upper surface may be smooth granular or spiny like shown in the starfish diagram above and is covered with overlapping plates.
Sea stars also known as starfish are spiny hard skinned animals that live on the rocky sea floor. By moving water from the vascular system into the tiny feet the sea star can make a foot move by expanding it. They mostly have poorly developed skeletons with papulae widely distributed on the aboral surface and often spiny pedicellariae. Sea star starfish powerpoint quiz teacher provided by.