Which choice describes most of the rocks exposed to the Earth's surface?

A. Metamorphic

B. Volcanic

C. Igneous

D. Sedimentary

What are the only organelles found in bacterial cells?

Which circumstance can cause negative population growth? a.) the emigration rate is lower than the birthrate b.) the immigration rate is the same as the birthrate c.) the birthrate is higher than the death rate d.

Heat transfer within a fluid takes place by

The phase of cell cycle where the cell grows is ...

Which of the following best explains why herring gull chicks were one of the first species to exhibit the effects of pollution, according to the figure? A. Toxins increase in concentration as one moves up a food chain. B.

You eat a large meal and then hike up a hill. What kind of energy transformation is your body performing? A. Chemical energy to kinetic energy and nuclear energy B. Potential energy to sound energy and nuclear energy C.

Which nervous systems balance each other to provide homeostasis?

The modern classification system is based on A - putting organisms into categories based on where they live. B - putting organisms into categories based on how they reproduce. C - putting organisms into categories based on similar characteristics.

Classify the mutations as somatic or inherited A. Mutations in the KRAS gene in lung cells promote continuous cell growth B. Mutations of the BRAC1 gene in egg cells lead to breast cancer C.

The female determines the sex of mammals. True False