This response from your immune system, generated by the B lymphocytes, is known as the primary response. It takes several days to build to maximum intensity, and the antibody concentration in the blood peaks at about 14 days.
Rating Newest Oldest. Best Answer: Starfish (PC name: Sea Stars) live in the intertidal zone of the ocean. In particular the low, middle and high intertidal zones. Few can survive in the spray zone due to dessication from the sun.
Starfish are marine invertebrates. 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, and is covered with overlapping plates.he fossil record for starfish is ancient, dating back to the Ordovician around 450 million years ago, but it is rather poor, as starfish tend to disintegrate after death.