Can natural selection cause mutations? Why or why not?

A) no-natural selection prevents mutations

B) yes-mutations are where new alleles come from

C) yes-mutations can be beneficial

D) no-mutations are random

What happens when the data in an investigation does not support the original hypothesis

If you wanted to measure your body composition and only had a scale and measuring tape, how do you measure your body?

You are adrift in the Atlantic Ocean and, being thirsty, drink the surrounding seawater. As a result: A. your cells lyse from excessive water intake. B. you dehydrate yourself. C. your cells swell. D. you quench your thirst.

How are drugs for HIV patients administered? A. Beginning with the weakest and proceeding to the strongest drug B. A single drug therapy C. As a maximum of two drugs at a time D. in a regimen of two to four drugs

Which gas prevents damaging ultraviolet radiation from the sun from reaching Earth Surface?

What role does gravity play in mass movement

Why don't all plants have chloroplasts?

You step on something in the yard resulting in a puncture wound that does not bleed freely. antigens from any microbes that entered the wound will most likely end up in the

Do cats have funny bones

Pollution in the environment affects living things