...that seemed to reflect the size of seeds the birds ate.
A magnifying glass is an example of a simple microscope. The correct answer is will be D, simple microscope.
The answer is C. The distribution of traits in a population
Answer:
Frogs have skulls but don't have necks
There are several mutations that benefit the organism.A well known example is the antibiotic resistance developed by bacteria, which aid in their survival even when they are exposed to a given antibiotic. A single gene mutation in wild almond trees resulted in a variety that no longer synthesizes amygdalin.