HCS SCI Env Sci (2018) Lewis 24-25 Midterm

Which of the following is most effective in slowing down biodiversity loss?

• Habitat destruction and fragmentation

• Overexploitation of resources

• Climate change

• Conservation efforts and protected areas

Tags

NGSS.MS-LS2-5

What might happen if you remove a primary consumer from the ecosystem?

• There would be more food for secondary consumers.

• The number of primary consumers would increase.

• The number of plants would increase.

• The number of secondary consumers would increase.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-2

What is the keystone species in this food web?

• Chipmunk

• Frog

• Butterfly

• Bird

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-2

Identify the role of the snake in this food web. Choose 2.

• A) Primary consumer

• B) Secondary Consumer

• C) Tertiary Consumer

• D) Quaternary Consumer

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

What will happen to the ecosystem if the chipmunk was removed?

• A) The butterfly population will decrease

• B) The bird population will increase

• C) The fox population will decrease

• D) The frog population will decrease

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Kudzu was introduced in the U.S. to control erosion but it grows rapidly and prevents other plants from getting sunlight. Which statement describes kudzu?

• A. A noncompetitive species

• B. An invasive non-native species

• C. An abiotic factor

• D. An agent of erosion

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

An excess of which of the following would most likely be associated with the formation of a dead zone?

• Carbon

• Oxygen

• Iron

• Nitrogen

Tags

NGSS.MS-LS2-3

The Jones family bought cows, a tractor, some apple trees, and a barn to start their farm. Which of these things are renewable resources?

• A. tractor and barns

• B. tractors and cows

• C. barn and apple trees

• D. cows and apple trees

Which best describes the role of krill in this food chain?

• A) Producers

• B) decomposers

• C) primary consumers

• D) secondary consumers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

The carrying capacity of a region is affected by both density-dependent factors and density-independent factors. Which is a density-independent factor?

• Food

• Disease

• Shelter

• Temperature