Why is frog egg laid in long gelatin fluid

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.

How do you date a sample of rock that you suspect as being one of the earliest on earth

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.