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.
The Sunflower sea star (Pycnopodia helianthoides) is the largest: fully grown, its arm-span is about a metre. This is a bit larger than the famous Crown-of-thorns starfish, which lives on coral polyps. Although starfish are invertebrates, they do have a kind of skeleton.