Living Things Change

What is an adaptation?

• A type of food chain

• A characteristic that helps an organism live in its environment

• A type of ecosystem

• A process of changing the environment

What happened to the giant insects, amphibians, and other animals 360 million years ago?

• They evolved into smaller creatures

• They became extinct due to changes in the environment

• They adapted to the new environment

• They migrated to a different environment

What caused the increase in the number of dark-colored moths during the period of pollution?

• The light moths migrated to a different environment

• The dark moths reproduced at a faster rate

• The dark moths had an adaptation that helped them blend into the polluted environment

• The light moths became extinct

What is the role of plants in the food chain?

• They have no role in the food chain

• They make chemical energy through photosynthesis and release oxygen

• They consume oxygen and release carbon dioxide

• They are the primary predators in the ecosystem

How did the change in the environment affect the number of light-colored moths?

• The number of light-colored moths increased as the environment became less polluted

• The number of light-colored moths decreased as the environment became less polluted

• The number of light-colored moths increased as the environment became more polluted

• The number of light-colored moths remained the same despite the change in the environment