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it may help there bodies to produce the right amount when needed
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Biogeochemical cycles and the rock cycle allow nutrients to be recycled through the abiotic and biotic zones of Earth. They are responsible for the cycling of oxygen, carbon dioxide, phosphorus and nitrogen between the biosphere and the rest of Earth. Hope this helped!
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lthough rarely eaten by humans, tunicates are an important link in the food chain and thus indirectly provide humans with a source of food. Tunicates contain some unusual chemicals, and some of these may prove useful as drugs. Tunicates are considered acraniate chordates because tunicates and chordates have the following features in common: a notochord; a dorsal, hollow nerve cord; and pharyngeal gill slits at some time in their lives.
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Homozygous recessive, Recessive, and Homozygous Dominant.
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