Biodiversity

Aluminum is refined from bauxite, which is found in the ground under rainforests. Humans must destroy this habitat to mine the bauxite and make aluminum. This type of habitat destruction will most likely result in ---

• A. an increase in rainfall

• B. an increase in number of species

• C. a decrease in biodiversity

• D. a decrease in cloud formation

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which of the following situations contributes to the sustainability of an ecosystem

• Increase in biodiversity

• Decrease in biodiversity

• Extinction of a population from the ecosystem

• Removal of many populations of organisms

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Complete this statement. The more diverse an ecosystem is ----

• A. the more threatened its populations are

• B. the more similar the species will be

• C. the more stable it is

• D. the few varieties of species are present

Tags

NGSS.MS-LS2-5

Which of the following is not an example of how biodiversity contributes to the sustainability of an ecosystem?

• Controlling pest species

• Providing potential for medical discoveries

• Creating a limited gene pool for future generations

• Regulating the chemistry of air and water supply

Tags

NGSS.MS-LS2-5

Match the following terms with the correct definition -

• The cumulative changes in a population or species over time.

• Invasive species

• An organism that is not native to the area in which it is introduced and has no natural predators.

• Species diversity

• The total number of genetic characteristics in the genetic makeup of a species.

• Endangered Species

• A species of animal or plant that is seriously at risk of extinction.

• Genetic diversity

• The number of different species present in an ecosystem.

• Evolution

Tags

NGSS.MS-LS2-5

NGSS.MS-LS4-4

Match the following terms with their definition.

• the most abundant species

• Species Evenness

• the relative abundance of species

• Species Richness

• the total # of different species

• Species Dominance

Match the following reasons with the correct explanation for the uneven distribution of biodiversity on Earth.

• Explanation for regions where biodiversity thrives with warmer conditions

• Because of the uniform distribution of water

• Explanation for areas with scarce biodiversity due to lack of water resources

• Because of the consistent climate conditions worldwide

• Explanation for the rarity of diverse ecosystems in areas with similar climate patterns

• Due to the increase in temperature

• Explanation for the impact of reduced human activities on biodiversity distribution

• Due to the decrease in human population density

Tags

NGSS.HS-LS4-5

A Simpson's Diversity Index of 1 is ​ ​ (a)   ​

• low

• high

Tags

NGSS.MS-LS2-5

Species richness refers to (a)   in an ecosystem.

• The number of different ecosystems

• The number of individuals within an ecosystem

• number of different species in an ecosystem

• The number of dominant species in an ecosystem

Tags

NGSS.MS-LS2-5

An ecosystem experiences a ten year drought. As a result of the drought, many plant and animal species are not able to survive. What will be the effect on the biodiversity and sustainability of the ecosystem?

• A. Increased biodiversity and increased sustainability

• B. Decreased biodiversity and increased sustainability

• C. Increased biodiversity and decreased sustainability

• D. Decreased biodiversity and decreased sustainability

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4