Chapter 7 Test

Just like what the dinosaurs went through, scientists believe that we are currently within the 6th...

• Mass extinction

• Carbon Cycle reset

• Fossil Record

• Oil Replenishment

Following a mass extinction, life on earth...

• Will eventually return to normal

• Will never be the same

• Will decrease slowly until all populations cease to exist.

• flourish, allowing for millions of new species to sprout in a short period of time.

The low rate at which extinction rates occur is known as...

• Mass extinctions

• Background extinction

• Endangerment

• Shoreline extinction

As modern humans have evolved, the rate of extinction has...

• Increased

• Decreased

• Remained the same

• Disappeared

What is the difference between an Endangered and Threatened species?

All of the following are ecosystem services except...

• Pollination

• Water purification

• Production of oxygen from plants

• Pollution

Why should we care that there is believed to be a 6th mass extinction currently happening on the planet?

The individuals that search ecosystems for plants and animals that may serve as biological sources for medicinal drugs are known as...

• Bioprospectors

• Environmental scientists

• Hot Spot Examiners

• Chemists

Extinction of species leads to...

• Loss of ecosystem services

• Less biodiversity

• Food chains dissolving

• All of the above

What do biodiversity researchers use to classify human activities that are responsible for driving species to extinction?

• HIPPCO

• CITES

• Convention of biological diversity

• Treaties