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Science · Grades 7–8

Biodiversity

noun

The variety of living organisms in a particular habitat or ecosystem.

Example Sentences

"Tropical rainforests have the highest biodiversity on Earth."

"Loss of biodiversity threatens ecosystem stability and human food supplies."

Synonyms & Related Terms

species varietybiological diversity

Quick Check

Which best describes the meaning of biodiversity?

Study Tips

To remember biodiversity, try writing it in a sentence of your own. Connect it to something you already know about science.

Use it in conversation today — saying a word aloud three times helps lock it into long-term memory.