Causes of Climate Change. Climate change is a long-term shift in weather conditions identified by changes in temperature, precipitation, winds, and other indicators.
Answer by Marcin Wojtkowski. Confidence votes 167. Most sea star (starfish) species are generalist predators, some eating bivalves like mussels, clams, and oysters; or any animal slow enough to be unable to evade the attack (e.g. dying fish). Some species are detritivores, eating decomposed animal and plant material, or organic films attached to substrate.
The mouth of some echinoderms such as crinoids is on the upper surface of the body, but sea stars find their food on the sea floor and having a mouth on the bottom surface has its advantages for bottom feeders. Sea stars prey on a variety of food sources.