Biology Year 6 Review

Which scientist visited the Galapagos Islands and came up with the theory of natural selection?

• Theodor Schwann

• Gregor Mendel

• Charles Darwin

• Rudolf Virchow

Gigantopithecus were very large primates that lived 500,000 years ago. Since none of these mammals are still today, they are said to be....

• Extinct

• Threatened

• Endangered

• Declining

A physical or behavioral trait that helps an organism survive and reproduce in its environment is called a what?

• An adaptation

• A response to a stimulus

• A mutation

• Evolution

What most likely caused the finches on the Galapagos Islands to have beaks that were different from the finches on the mainland?

• There were different types of predators on the island.

• There were different types of food available on the island.

• The finches had no water to drink.

• The finches on the mainland could not fly high enough.

What is another name for natural selection?

• survival of the smartest
• survival of the fastest
• survival of the biggest
• survival of the fittest

Change over time is

• evolution
• generation
• growth
• biogenesis

Which trait did Darwin pay most attention to about the finches in the galapagos islands?

• Their Feathers

• Their Horns

• Their Size

• Their Beak Shape

Predict which moth would increase in population

• light 
• dark

Which two animals are closer relatives?

• Dolphin and Wolf

• Wolf and Shark

• Shark and Dolphin

The white feathers of a snowy owl allow it to blend in with its environment during the winter months (snow). This is an example of ________________

• Species
• Environmental Change
• Adaptation
• Variation