The most complex level of organizational hierarchy that climate change could potentially affect is earth’s

A) biosphere

B) communities

C) organisms

D) populations

the most complex level of organizational hierarchy that climate change could potentially affect is earth's biosphere.

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

these muscles maintain the blood pressure in the vessels. the smooth muscles are innervated by nerves of the autonomic nervous system. when the muscles contract, they cause vasoconstriction of the vessels and increase blood pressure. when the muscles relax, they enable vasodilation of the   blood vessels hence reduce blood pressure.