If want to solve an environment , they are most likely to use what?

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.

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above