Which of the following is a parasitic relationship ? a barnacles on the side of a whale b flies biting a cow c insects hiding in the leaves of a tree d birds picking the fleas off of a bears back

answer is b

Explanation:

the answer is b because in parasitism, one benefits while the other is harmed.  flies biting a cow flies benefited while the cow was harmed.

i would go with b

cytokinesis occurs after telophase so that eliminates d

and the entire reason for cytokinesis is for cellular reproduction

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%