Answer: Causes of Biomagnification. The release of toxic chemicals and pollutants into the environments such as the seas, air, and land results in the accumulation of toxins and harmful substances in the environment.
Answer: The each box of punnet square represents the possible outcome of the genotype of the offspring's.
Explanation: In each box there is result of cross between maternal and paternal alleles. It represents the possibility of genotype of offspring's.
Well too much oxygen can kill humans which is one. And 2 If the whole atmosphere was oxygen then things will burn easily.