New alleles recently appeared in a population of deer. The new alleles were not introduced into the existing population through mutation. Which of the following mechanisms most likely responsible for the introduction of the new alleles

Explain how fossils scientists make discoveries about the lives of organisms and about how environments have changed over time. plz hurry up it time

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind