What happened at the end of the most recent ice age? A. Land bridges became exposed.

B. Sea levels rose over 300 feet.

C. A mass extinction occurred.

D. The Cenozoic era began.

After getting the slide and microscope ready, stella is eager to see the microscopic pond water specimen! she crouches around her microscope and aligns her eye with the microscope’s eyepiece. but she's only able to see a bright white light. at this point, no specimens or cells are visible on stella's pond water slide. after taking a moment to collect her thoughts, stella realizes she can't see any lifeforms because .

How do adaptation affect a species?

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