Ch 12 Maintaining biodiversity, ecosystems and global food.

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

• background extinction

• mass extinction

• fragmentation

• biotic potential

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

• Biodiversity

• Population distribution

• Habitat loss

• Climate change

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

• biological

• unsustainable

• sustainable

• medicinal

Which of the following are examples of renewable resources? (Select multiple answers)

• Solar

• Clean air/Wind

• Oil

• Plants used for food

Which of the following are examples of nonrenewable resources? (Select all that apply)

• Fossil fuels (oil, natural gas)

• Minerals (radioactive materials, etc.)

• Solar energy

• Whole forests

Biodiversity is valuable to humans because

• people buy and sell living things in the pet trade and for aesthetic reasons.

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

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

• we have been taught from an early age that diversity is a good word, so we use it in all endeavors.

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?

• Genetic diversity

• Ecosystem diversity

• Interaction diversity

• Species diversity

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

• endangered species

• biology

• biodiversity

• natural selection

1. What makes a species invasive?

• Moving to a new ecosystem and taking resources from natives 
• Not having papers
• Species that can't adapt
• Plants that take up too much space

Why do the populations of invasive species grow so quickly? 

• Invasive species are native to an area. 

• Invasive species are prey to many animals.

• Invasive species have no predators.

• Invasive species keep the ecosystems in equilibrium.