An ecosystem is a community of living organisms and the nonliving components of the environment Energy flows in an ecosystem in one direction through food chains, and a food web is made up of all the food chains within a community of
organisms. Biodiversity refers to the variation in species found within an ecosystem, and it is measured in two ways: (1) species
richness, which is the total number of different species in an ecosystem, and (2) relative abundance, which is a measure of how
common each species is within the ecosystem. Biodiversity and complex feedings relationships within an ecosystem help
maintain sustainability
in the Arctic marine habitat, fishing has long been a way of life. Natives to the area have satiably utilized the riches of the oceans for
generations. Recently a commercial fishing company has entered this area and begun bottom trawling for small fish such as sardines
and Arctic cod. How would such a fishing technique impact the ecosystem? Choose ALL that apply.
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