Determine if the term is a cell, tissue, organ, or organ system. Air sacs rich in blood vessels. A( Cell
B( tissue
C( organ
D(Organ system

The instructions for making proteins come originally from

Plz ! cattle ranchers and dairy farmers rarely allow all of their animals to reproduce instead they practice selective breeding and only encourage the reproduction of animals with specific features. which of the following cows would a dairy farm most likely choose to reproduce? a. a cow that makes a lot of milk. b. a cow that can run quickly. c. a cow with a think, soft fur. d. a cow with large, strong hooves.

Can a trait be both polygenic and have multiple alleles? explain why or why not.