Environmental Science: Biodiversity and Conservation

As biodiversity decreases, the sustainability of an ecosystem...

• Increases

• Decreases

• Stays the same

• All of these are correct

Scientists think people have directly caused the extinction of some species through ______________.

• habitat destruction
• poaching
• pollution
• All of these

All living and nonliving things in an environment and the many ways they interact are called ______

• ecosystem
• community

What is biodiversity?

• the study of living organisms in an ecosystem

• the variation of living organisms in an ecosystem

• a system of interactions between living and nonliving elements

What type of biodiversity does this picture best represent?

• Genetic Diversity

• Species Diversity

• Ecosystem Diversity

• All of these are correct

When a species goes extinct in just one area it is called 

• endemic
• extirpation
• extinction
• inbreeding

What actions decrease biodiversity?

• Pollution

• Overpopulation

• Habitat Destruction / Loss

• Monocrop Farming / Mining / Overfishing / Over hunting

• All of these are correct

Which biome is more biodiverse?

• Desert
• Sand
• Tundra
• Rainforest

What are abiotic elements in an ecosystem?

• nonliving things in an ecosystem

• living things in an ecosystem

True or false. Pollution tends to increase biodiversity.

• True

• False