Ecosystems and Biomes

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-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

In an ecosystem, which type of animal would best be described as a secondary consumer?

• Carnivore

• Herbivore

• Omnivore

• Decomposer

Tags

NGSS.MS-LS2-3

In an ecosystem, which animal would best be described as a secondary consumer?

• A. Rabbit

• B. Grasshopper

• C. Coyote

• D. Human

Tags

NGSS.MS-LS2-3

Which best describes a type of organism that lives on, and feeds off of plants or other organisms?

• saprophytes

• autotrophs

• omnivores

• tracheophytes

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

An organism that stalks, kills, and eats other animals is known as a ---

• consumer

• scavenger

• herbivore

• producer

An organis that creates nutrients using energy from the sun, is known as a ----

• A. predator

• B. scavenger

• C. herbivore

• D. producer

Tags

NGSS.MS-LS1-6

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

• A. Increase in biodiversity

• B. Decrease in biodiversity

• C. Extinction of a population from the ecosystem

• D. 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?

• A. Controlling pest species

• B. Providing potential for medical discoveries

• C. Creating a limited gene pool for future generations

• D. Regulating the chemistry of air and water supply

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-LS2-2

NGSS.MS-LS2-4