Directional selection acts against:

both extremes simultaneously in the variation of the trait

one of the extremes in variation

the average or mean value for the population

none of these

A scientist tests the effect of pesticides on the growth of starwberries. one patch of strawberries is given the pesticide, and another patch is not. what is the control group of this experiment

Which structure includes all of the others? Select one: a. genes b. chromosomes c. nucleolus d. nucleus

Why does more solar energy reach the equatorial regions than the polar regions?

Identify the different types of hydrocarbons

What is life sciences?

Un ejemplo de mitosis en el trabajo es una hoja que: A) se vuelve amarilla. B) Creciendo tomando dióxido de carbono c) Hospedar una oruga

During transpiration, water exits the leaf via the A. mycorrhiza. B. stomata. C. roots. D. tracheids.

How do you call a prokaryote kingdom that typically live in oxygenated environments, and are not as adapted to harsh environments as the other prokaryote kingdom?

Rosa has a vegetable garden. She places earthworms, which are decomposers, in the garden soil. What is Rosa most likely trying to do? A. prevent insects from eating the plants B. create usable food energy for the plants C.

A transposable element (TE), or transposon, is a __ sequence that can change its __ within a genome, sometimes creating or reversing mutations and altering the cell's __.