Adaptations
Photosynthesis & Respiration
Human Body
Microorganisms
Evolution
100

A trait that helps an organism survive in its environment.

What is an adaptation?

100

Plants use this energy source to make food.

What is sunlight?

100

The largest organ in the human body.

What is the skin?

100

Organisms so small they usually need a microscope to be seen.

What are microorganisms?

100

Changes in species over long periods of time.

What is evolution?

200

A polar bear's thick fur is an example of this type of adaptation.

What is a structural adaptation?

200

The green pigment that captures sunlight.

What is chlorophyll?

200

This organ pumps blood through the body.

What is the heart?

200

This type of microorganism can make yogurt and cheese.

What are bacteria?

200

Preserved remains or traces of ancient organisms.

What are fossils?

300

This adaptation allows some animals to blend into their surroundings.

What is camouflage?

300

This gas is taken in during photosynthesis.

What is carbon dioxide?

300

The body's control center.

What is the brain?

300

These microorganisms can cause illnesses like the flu.

What are viruses?

300

The process by which organisms best suited to their environment survive and reproduce.

What is natural selection?

400

When one organism looks like another to avoid predators.

What is mimicry?

400

This process releases energy from food in cells.

What is cellular respiration?

400

These vessels carry blood away from the heart.

What are arteries?

400

This kingdom includes yeasts and molds.

What are fungi?

400

The scientist most associated with the theory of evolution by natural selection.

Who is Charles Darwin?

500

Birds flying south for the winter is an example of this behavior.

What is migration?

500

This gas is released during photosynthesis.

What is oxygen?

500

This body system protects the body from disease-causing organisms.

What is the immune system?

500

Scientists use this tool to view most microorganisms.

What is a microscope?

500

Structures that have similar anatomy because of common ancestry.

What are homologous structures?

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