Make a claim about the change in nitrogen level in Lake Saiko. Include evidence to support your claim.

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food

Natural selection changes allele frequencies because some survive and reproduce more successfully than others.

The direct energy source that drives atp synthesis during respiratory oxidative phosphorylation is