Evolution vocabulary

A characteristic that helps an organism survive

• Evolution

• Adaptation

• Variation

• Natural selection

Answer explanation

Example: giraffes have long necks to reach tall trees so they can eat.

A species slowly changes over time

• Evolution

• Adaptation

• Variation

• Fitness

Answer explanation

A species evolves, not an individual

This is an image of...

• Evolution

• A fossil

Extinction is...

• to change heritable traits from one generation to the next

• an event in which the last members of a species or group die

An ________ is what happens when something changes in an organism in order for it to survive

When animals _______, they change gradually into new forms

The ____________ is the outdoor surroundings where an animal or plant lives.

The sudden change in a characteristic of an organism is called a _________

A ________ is the hard remains of a plant or animal found in rocks

When animals has no living relatives it is ________