Key Words
Types of Ecosystems
Human Impact on Nature
100

What do you call a change that helps a living thing survive in its environment?

What is adaptation?

100

Which ecosystem has lots of rain and tall trees?

What is a rainforest?

100

What is the main cause of the Earth getting warmer?

What is the greenhouse effect?

200

What is the word for the job or role a living thing has in its environment?

What is a niche?

200

Which ecosystem is filled with water for most of the year?

What is a wetland?

200

What is it called when too many nutrients make water unhealthy?

What is eutrophication?

300

What do we call the different kinds of living things in a place?

What is biodiversity?

300

Which ecosystem is hot, dry, and has very few plants?

What is a desert?

300

What is the process where land becomes desert, often because of bad farming

What is desertification?

400

What is the study of how living things interact with each other and their surroundings?

What is ecology?

400

What do you call the place where freshwater meets the ocean?

What is an estuary?

400

What do we call pollution that comes from many places, not just one?

What is nonpoint source pollution?

500

What do you call the non-living parts of an environment, like sunlight or water?

What are abiotic factors?

500

Which ecosystem is cold, has no trees, and is frozen most of the year?

What is the tundra?