the answer is B.extinction can be related to a failure to adapt to changes in the environment.
Answer: B
Explanation:
Ammonia is so toxic that it can be transported and excreted only in large volumes of very dilute solution. As a result most terrestrial animals simply don't have access to sufficient water to routine excrete ammonia.
The main advantage of urea is its very low toxicity. Animals can transport urea in the circulatory system and store it safely in high concentrations. Also much less water is loss when a given quantity of nitrogen is excreted in a concentrated solution of urea than would be in a dilute solution of ammonia.
Answer:
c
Explanation:
If you wanted to reduce health risks, why make more?
Hi. excuse me sorry but i cant see your question. do you think you could post it again, please?
thank you
