Many Europeans believed that those non-Europeans were uncivilized. They believed that inherited the same way as biological variation. a. Race
b. cultural variations
c. Ethnicity
d. Eugenics

How can you keep track of variables in a science experiment?

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 .

In natural selection, what is actually “selected? ” a) alleles are directly selected b) genotypes are directly selected c) phenotypes are directly selected d) entire populations are directly selected