Evolution and Natural Selection

What is a variation?

Any difference between individuals of the same species.

Any similarity between individuals of the same species.

A change in population.

When a species dies off.

White moths are easier to see on dark colored trees than dark colored moths. This makes them more likely to be eaten and less likely to survive. This is known as:

Natural Selection

Artificial Selection

Selective breeding

Speciation

What is extinction?

When the entire population of a species dies off.

When a new species forms.

When a species over populates.

When the Earth explodes.

What is a fossil?

The preserved remains or traces of an organism that lived in the past.

Rocks found under the surface.

A new species.

A computer.

What are Homologous Structures?

A physical characteristic that demonstrates that certain species are related and are evidence that the organisms have a common ancestor.

A species

Parts of a cell.

N/A

What is Radioactive dating?

A process used to estimate the age of fossils.

A spider that dates.

Spiderman's girlfriend.

A process used to estimate how old a species is.

What are Missing Links?

Gaps in the fossil record.

An extinct species.

A mutation

A missing part of DNA.

What is Diversity?

The variety of organisms that inhabit our planet.

A species formed wit another.

A new species.

N/A

What is a Common Ancestor?

Different species that arose from one population.

A species grandma

When two different species come together to form a new species.

N/A

What are vestigial structures?

Structures that have no apparent function and appear to be residual parts from a past ancestor.

Structures that eat veggies.

Structures that form new species.

N/A

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