How could scientists use shells to help organize all these animals in a way that makes them easy to identify? Why would scientists use shells to identify the animals inside if them?

Babies with very low or very high weight are less likely to survive .

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

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.