Biology-Ch. 17 Lesson 3 Discovering Natural Selection

1. Who is the English naturalist who studied plants and animals and created an evolution theory?

Random _____ in genes produce variations of traits in a population.

The picture is an example of an animal doing what?

____ occurs when the environment changes and the adaptations hurt the species

Isolation occurs when a population becomes _____ by an event.

Choose the statement that is NOT part of Darwin's theory of evolution.

According to Darwin, why did the Galapagos finches have different beaks?

How does a lizard's camouflage help it survive?

Which is a cause for extinction?

The process where organisms with favorable adaptations are most likely to survive is called __

Why did black moths increase in population during England's Industrial Revolution?

2. A process by which favorable traits tend to increase in frequency over time is called

What is the number one goal of an organism?

How does natural selection occur?

The story of peppered moths demonstrates an example of ___

How does a lizard's camouflage help it survive?

What did Darwin help to explain?

What is an inherited trait that increases an organisms chance of surviving and reproducing?

The process of change over a period of time is called _____.

An example of an adaptation is ____