Variation in different species of organisms is called:

a.

evolution

c.

adaptation

b.

natural selection

d.

species diversity

Explain the sequence of organization on Earth (protobionts, then prokaryotes, then eukaryotes ...).

Plant cells that are specialized for a cell division are most likely found in what part of a plant?

All air pollution is related to human activity. A. True B. False

During what process would the OCA2 gene be copied in an individual? a. replication. c. translocation. b. translation. d. transformation.

A scientific name belongs to what species

How do solid solutions and gas solutions form.?

Why can psychologists claim that psychology is one of the oldest scholarly disciplines as well as one of the newest? Explain why modern psychology is a product of both nineteenth-century and twentieth-century thought.

The type of stress is most commonly associated with illness and disease is [blank] stress.

Describe the components of the peripheral nervous system and central nervous system and explain how they work together in your body.

Oil spills happen in our oceans. Some oils contain volatile organic compounds; these compounds make the oil denser.