Evolution Review

Front

What evidence supports the idea that whales and dolphins have a common ancestor?

Back

They have similar anatomies.

Front

What most likely causes variation in species?

Back

mutation

Front

What can be determined by similarities in the forearms of humans and dogs?

Back

Humans and dogs share a common ancestor.

Front

Darwin's theory that species develop new traits and change over time is known as:

Back

natural selection

Front

What does it mean to be "fit" in the context of natural selection?

Back

You can reproduce and pass on your genes.

Front

If a cheetah is born with a mutation that makes it unable to run quickly, what will be the most important for its survival?

Back

competition for prey and food

Front

What type of species has the best chance of survival through significant environmental change?

Back

genetically diverse

Front

A mutation changes the color of a grasshopper. What color grasshopper will have a genetic disadvantage?

Back

brown grasshopper

Front

Why did mammals become dominant after the mass extinction of dinosaurs?

Back

They had traits that helped them adapt to environmental changes.

Front

How could a series of fossils show how a horse evolved over time?

Back

All the fossils would show varying levels of similar structures compared to modern horses.