Describe two human activities that can affect the water cycle.

What are the advantages of sexual reproduction over asexual reproduction?

How does a plant collect energy from light?

Glucose will pass through a cell membrane with the aid of what?

Generally, how do forest disturbances, competition, and other changes affect biodiversity? In turn, how does biodiversity affect forest recovery from disturbances and changes?

In The US - Which states had the clearest skies

Are made of long chains of amino acids

Maria is testing the behavior of monkeys. First, she shows the monkey a rectangle. Then she shows the monkey a rectangle and a cylinder. If the monkey pushes aside the rectangle, Maria gives the monkey a food reward.

Why is the phloem in a leaf important to the roots of a plant? A. It provides the roots with carbohydrates. B. It provides the roots with nutrients from the soil. C. It transports water to the leaves from the roots. D.

A mutation causing an addition or a deletion of one base pair resulted in the production of a nonfunctional mutant protein. The sequences of the normal and mutant proteins are given below.

What job does each organelle do in a cell?