TEK 12B

What is an adaptation?

• A type of environment

• A process of photosynthesis

• A characteristic that helps an organism live in its environment

• A large insect

What happened to the giant insects and amphibians when the environment changed?

• They became extinct

• They turned into birds

• They grew larger

• They moved to different planets

What is the difference between an ecosystem and an environment?

• There is no difference

• An ecosystem is always larger than an environment

• An environment includes living things, while an ecosystem does not

• An ecosystem includes living things, while an environment does not

Why can't pineapples grow at the poles?

• Because there is not enough sunlight

• Because they prefer sandy soils

• Because there are too many predators

• Because it's too cold

What caused the dark moths to become more common during the industrial revolution?

• Pollution that darkened the trees

• The introduction of new predators

• A decrease in bird populations

• A virus that affected light moths

What role do plants play in the food chain?

• They pollinate flowers

• They are primary consumers

• They are the largest animals

• They make chemical energy through photosynthesis

What happens to living things when their environment changes?

• They always become extinct

• They do not change

• They move to a different planet

• They change too, sometimes in a big way

Why did the number of light-colored moths increase over the last 50 years?

• Because of increased pollution

• Because they evolved into a new species

• Because of a decrease in their predators

• Because the environment became less polluted

What is the main reason giant insects no longer exist?

• They were hunted to extinction

• They moved to underground habitats

• The environment changed, reducing the oxygen they needed

• They evolved into smaller insects

What can happen to living things when the world around them changes?

• They immediately become extinct

• They can adapt or become extinct

• They revert to previous forms

• They remain unchanged