ES Module 1 Review #3

Any body shape, body process, or behavior that helps an organism survive in its environment.

• geologic time scale
• fossil record
• adaptation
• geologic time scale

All of the fossils that scientists have recovered from the ground.

• geologic time scale
• natural selection
• fossil record
• mass extinction

The record of life on Earth.

• fossil record
• geologic time scale
• biosphere
• adaptatio

A large -scale disappearance of many species within a short time.

• mass extinction
• mass destruction
• fossil record
• adaptation

The process in which organisms best suited for the environment survive, reproduce and pass their traits on to their offspring.

• fossils
• natural selection
• geologic time scale
• reproduction

How many species of life are there?

• dozens
• hundreds
• thousands
• millions

Which is an example of adaptation?

• White fur on a polar bear
• the shape of a stick insect
• the spines on a cactus 
• all of these

Which statement is correct?

• Natural selection is another term for adaptation.
• natural selection is the main way changes happen in a population
• natural selection usually occurs over a short time
• natural selection occurs in only some species

Which is the longest period of time?

• a century
• the geologic time scale
• a period
• an era

Which of the following is true of mass extinctions?

• There has only been one
• They no longer occur
• The largest one happened 220 million years ago
• one may have been caused by natural selection