A scientist wants to study the interactions of different birds in the southern part of a desert. What should the scientist do first? Identify local names for each bird species. Determine what foods each bird species eats. Identify each bird species by using a dichotomous key. Determine each bird species' migration pattern.

What do animals wth echolocation have in common other than echolocation

What do all macromolecules have in common with each other? oa. they all are formed from the same elements. ob. they all have major roles in cell membranesoc. they all act as catalysts in the body. od. they all have peptide bonds between carbon atoms.

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.