Answer:
11. The behaviors and physical characteristics of species that allow them to live successfully in their environment are called adaptations.
Explanation:
Adaptations <em>are a process that organisms go through to become better suited for their environment to help them be better suited to survive.</em>
You can infer that the birds once had a common ancestor but became separated. Mutations in copying their genes stacked and caused changes in the beaks so the birds could be more well off or better adapted in their new environment.
Because an amino acid<span> cannot be </span><span>synthesized</span><span> by the organism, and it must be supplied in its diet.</span>
