Answer: False
Explanation:
Some organisms have an advantage with some traits, but they could be a disadvantage in other situations.
Answer:
An allele is a viable DNA (deoxyribonucleic acid) coding that occupies a given locus on a chromosome. Usually alleles are sequences that code for a gene, but sometimes the term is used to refer to a non-gene sequence. An individual's genotype for that gene is the set of alleles it happens to possess.
The data did not support the hypothesis because the amount of dissolved oxygen decreased as water temperature increased.