*WILL MARK BRAINIST* Which body system is not directly connected to itself?

O respiratory
O circulatory
O endocrine

What does it mean if an area has high biodiversity? select one: a. different organisms live in the world b. lots of different organisms live an ecosystem c. lots of the exact same organisms live in an ecosystem

Which would best keep the oxygen cycle stable? a. cutting down jungles to create farmland b. eliminating parks in large cities c. dumping toxic chemicals into the ocean d. reducing the amount of deforestation d. reducing the amount of deforestation

Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above