Which of the following must occur in order for an ecosystem to continue to exist? А
The populations of producers and decomposers must be stable.
B
The populations of animals must continue to decrease.
С
There should be more populations of consumers than producers.
D
There should be fewer populations of producers than consumers.
Ok

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.

Suppose you could go back in time to interview henri becquerel on the day he discovered radioactivity. from his perspective, write an account of the discovery.

What is the key to the recognition of codominance?