A student creates a dichotomous key to identify common household pets. What is wrong with this key?

Pet dichotomous key

A. Hamsters have hairy bodies.

B. Goldfish don't live in cages.

C. A pet can have a hairy body and live in a cage, or can be hairless and not live in a cage.

D. All of the above.

Afarmer has applied a pesticide to control a pest population that is affecting her crops. the pest population has reacted as shown below. which best describes the process that the pest population has experienced due to this environmental change? a genetic diversity b natural selection c natural resistance d genetic resistance

What was the land like over 500 million years ago? what was under the sea?

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.