7th ch6 change through time

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

Which of the following was NOT a source for Darwin's ideas about evolution?

Which of the following features did whales possibly inherit from a 4-legged ancestor?

What evidence of natural selection is available today that was not available to Darwin?

What process often begins by a portion of the population becoming physically separated?

The rate of decay of a radioactive element is measured by

Look at the branching tree. Which animal is most closely related to the gorilla?

What did Charles Darwin help to explain?

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

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

A trait that helps an organism survive and reproduce is a called a(n):

which is a cause for extinction?

Changes in a species over long periods of time are called

An example of an adaptation is ____

Isolation occurs when a population becomes _____ by an event.

Process by which organisms that are better adapted to their environment survive & reporduce

The story of peppered moths demonstrate an example of ___

What are 2 signs that different species have a common ancestor?

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

What does speciation create?

Populations of all species are limited by

Which animal is least closely related to the lamprey

According to the theory of ___________, evolution occurs slowly but steadly

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

How does natural selection occur?

What is the number one goal of an organism?

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

Darwin's idea about how evolution occurs is called....

Similar structures that related species have inherited from a common ancestor are called

The picture is an example of an animal doing what?

Excessive use of antibiotics has resulted in bacteria that are resistant. This is an example of

Which of the following do scientists think was an ancestor of whales?

1. Who is the english,naturalist who studied plants and animals and created an evolution theory

What role does overproduction play in natural selection?

The process by which populations slowly change over time is called

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

What type of evidence is the best indicator of how closely two species are related?

How does a lizard's camouflage help it survive?

A characteristic that can be passed from parent to offspring through genes is called

Most members of a species show differences, called...

Fossils formed when an organism dissolves and leaves an empty space in a rock are called

Animals may change behavior or physical appearance in response to changes in environment

The trace remains of an organism that lived long ago preserved in sedimentary rock are a

When certain genes make organisms more likely to survive & reproduce, which process can occur?

The technique of ___________ can be used to determine the actual age of a fossil.

Which layer contains the YOUNGEST fossils?

What process would farmers use to produce vegetables that will grow in a specific climate?

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

What did Darwin help to explain?

A spider may produce hundreds of eggs, only a few survive. This is an example of

A diagram that might show how an organism is related is called a...

Which of the following is NOT an example of natural selection?

A characteristic that improves an organism's ability to survive is an

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