If a secondary consumer had 3 million calories of energy, how many calories are available to the tertiary consumer?

Which system revise and send electrical signals throughout the body

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.

Mrna decodes information from the original dna master plan to build proteins in the during the process of ribosomes.