The answer is D. Transports fluids throughout the plant.:)<span>
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<span>Our biosphere is the global sum of all ecosystems. It can also be called the zone of life on Earth, a closed (apart from solar and cosmic radiation) and self-regulating system. Geology studies the Earth, and has tendrils in all ecosystems, thus the connection to the biosphere.</span>
Habitat destruction is the cause of the loss of species because the organism have been deprived of their living requirements.