Biodiversity Crossword

what's an entire species permanently disappears when the last one of the organism dies?
the variety of life in the world or in a particular habitat or ecosystem.
boosts ecosystem productivity where each species all have an important role to play
extinction caused by slow and steady process of natural selection
event in which many types of living things become extinct at the same time
Materials, organisms or substances such as minerals, forests, water, and fertile land that occur in nature and can be used for economic gain
excessive use of species that have economic value
Splitting of ecosystems into small fragments
The destruction of habitats that usually results from human activities
increasing concentration of a harmful substance in organisms at higher trophic levels in a food chain or food web