The answer would be virus
The
correct answer is they filter urea from blood and produce urine.
<span>
Nitrogenous
wastes tend to form toxic ammonia which needs to be removed. Terrestrial
animals must detoxify ammonia by converting it into a relatively nontoxic molecule-urea
(it occurs in the urea cycle). The urea cycle mainly occurs in the liver and the
produced urea is then released into the blood. It travels to the kidneys where
is filtrated and excreted in urine.</span>
Answer:
a maybe correct me if im wrong
1. Ecosystems have D. Biotic and abiotic parts.
2. Another name for food level is A. Tropic level.
The parachutes are the subject of the study and different types, or brands, of them should be used.
