Wonders U2W3 Vocabulary Flashcard

Front

What does 'extinct' mean?

Back

A living thing that no longer exists.

Front

What is a 'drought'?

Back

A time when there is very little or no rain.

Front

If something is 'fragile,' how should you handle it?

Back

You should be careful not to break it.

Front

Which of the following is an example of an 'ecosystem'?

Back

A forest with trees, animals, and plants that work together.

Front

What is the meaning of 'habitat'?

Back

The natural home or environment of an animal, plant, or other organism.

Front

What does 'biodiversity' refer to?

Back

The variety of life in the world or in a particular habitat.

Front

What is a 'food chain'?

Back

A series of organisms each dependent on the next as a source of food.

Front

What does 'pollution' mean?

Back

The presence of harmful substances in the environment.

Front

What is 'conservation'?

Back

The protection and preservation of the natural environment.

Front

What does 'adaptation' mean in biology?

Back

A change in an organism that makes it better suited to its environment.