ET

What are the main rivers that drain into the Chesapeake Bay? Check all that apply.

York

James

Holston

Potomac

Rappahannock

Where do the carbon-containing molecules in the giant kelp come from?

During osmosis, in which direction do the water molecules diffuse across a cell membrane? A. from a higher water concentration to a lower water concentration B. from a lower water concentration to a higher water concentration C.

A scientist observes that, when the pH of the environment surrounding an enzyme is changed, the rate the enzyme catalyzes a reaction greatly decreases. Which statement best describes how a change in pH can affect an enzyme? A.

Which of the following organisms is not found on the savanna? a. serval b. pangolin c. capybara d. prairie chickens

How do dominant and recessive factors interact

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.