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.
Sea stars are integral members of marine ecosystems, although they compete directly with commercial and recreational fishermen. 1  One sea star can devour over 50 young clams in a week. 2  When their population grows, sea stars can consume entire beds of shellfish.