The evaluation of their DNA and short tandem repeats will let them know if the birds are related or not. The genetic linkage will provide information about their common ancestry as well as if they belong to the same species, or are closely related species.
Explanation:
the second one. the crests of the soundwave are farther apart
All ions that are atoms with a positive charge - protons.
All ions that are atoms with a negative charge - electrons.
All ions that are atoms with a neutral charge - neutrons.
Migration is D, the seasonal movement of organisms between locations!
