Starting billions of years ago, algae lowered the

atmosphere.

levels in the

A. oxygen

B. ozone

C. carbon dioxide

D. methane

Chantal was eating raisins and a few of them fell into her glass of drinking water. She finished eating the rest of the raisins. When she went to dump out the water in her glass, she observed that the raisins had become swollen.

What is another term for survival of the fittest? A. Natural selection B. Adaptation c. Genetic mutation D. Variation

In terms of earth's history, humans have been around for a really, really long time. True False

Matter that has a definite volume and a definite shape is a a. solid b. liquid C. gas D. Plasms

How much of Earth is covered in water

Which of the following can cause excess growth of algae in water? 1) large amounts of fecal coliform 2) high nitrate content 3) high phosphate content 4) All of the above

If you have damage to the left cerebral hemisphere is most likely to reduce people's ability to

Angiotensin-converting enzyme (ACE) inhibitors and other vasodilators are used in the early treatment of heart failure. They act to a. cause loss of volume b. increase arterial pressure and perfusion c.

Which structure is found in both cartilage and bone

Two types of behavioral adaptations are ... learned and structural learned and innate structural and innate inherited and structural Which is a behavioral adaptation of birds?