Answer:
I think it's number 2 (viewpoint).....
The avian
kidneys are divided into units called lobules and as the two avian kidneys of
birds do their work or function, most of these birds excrete nitrogenous waste
known as uric acid from the blood, which reduces water loss but requires more
metabolic energy to produce nitrogenous waste.
Explanation:
they differ because it doesn't hurl multi-cellular organisms if one cell dies but if a single celled organism looses its one cell that organism will die.
Answer:
A
Explanation:
any form of asexual reproduction lowers rates of genetic diversity
(not an expert but I think that's it, we are finishing up invertebrates in biology right now so it's fresh on my mind)