Invasive species out-compete native species for resources (such as food) A direct impact
B indirect impact

Modern whales developed their traits through natural selection what occurs during the process of natural selection

How much time has elapsed from the very beginning of "the memior of the conquistador bernal diaz del castillo" to the end? a. castillo's whole life b. a quarter of an hour c. a few weeks d. a decade

All eukaryotic cells contain small bodies called