Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection.

It could take many generations to observe adaptions to a population.

The environment may be complex and hard to study.

Changes in the environment may occur faster or slower than changes to the birds

The birds may be interdependent with other organisms that may change, too.

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands

the answer is c on e2020, bud.

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.