Select all that apply smaller groupings within a species are called a. varieties b. racesc. breeds d. mongrels

I'm afraid none of those is correct. The correct option would be subspecies. Subspecies are different variations, one could say, of a same organism.

Hope it helped,

Happy homework/ study/ exam!

b is the best answer for this question.

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.