1-the asian crab(homigrapsus sanguineus) is one of the most abundant organisim i
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Question
1-the asian crab(homigrapsus sanguineus) is one of the most abundant organisim in the rocky intertidal zone.where did it come from?describe its habitat,its apperance, its food chain, and why is it important in the rocky intertidal ecology. why is this crab so common in the intertidal area of CT rocky shorelines?(georg Karmer, Northeastern Naturalist,14(2)207-224.;and/or sound update 2012,page2)
2-compare the ditrbution of shore crabs in the 0.25m^2 grids as a function of distance from shore. is any pattern evident?what might explain the observed differnces or similarties ?
Explanation / Answer
It has a sqaurish carapace . And is 2 inches in width with three teeth along the forward sides. It has alternating light and dark bands at pereiopods
It is an opportunistic omnivore who like to eat molluscs. It natively belong to peter the great bay in southern russia
The competition for food in intertidal zone is much greater. Factors like sediment size and elevation contribute to zonation.they can use dissolved oxygen as well and is a very dominant speicies
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