Ch 12 Maintaining biodiversity, ecosystems and global food.

Front

This is the extinction of a species one by one, not a sudden loss of many species.

Back

background extinction

Front

Forest clearing, farming, and road building are all examples of

Back

Habitat loss

Front

The use of a resource at a rate that can be replaced or recycled is called ____________ use.

Back

sustainable

Front

Biodiversity is valuable to humans because

Back

people depend on other living things for food, clothing, energy, medicine, and shelter.

Front

Variety of species or richness in the number of species in an ecosystem throughout the entire biosphere. This statement refers to which type of diversity?

Back

Species diversity

Front

The variety of life in the world or in a particular habitat or ecosystem is called?

Back

biodiversity

Front

What makes a species invasive?

Back

Moving to a new ecosystem and taking resources from natives 

Front

Why do the populations of invasive species grow so quickly?

Back

Invasive species have no predators.

Front

When is a species defined as endangered?

Back

When it suffers from damage to its habitat, disease or predation, and hazards to its continued life.

Front

The loss of a natural habitat is called?

Back

Habitat destruction