Population Dynamics (SS)

Temperature, light, air, water, and soil are all  _____  parts of the environment

• alive
• biotic 
• abiotic
• living

A living or once-living organisms in an ecosystem is a

• population
• biotic factor
• abiotic factor
• community

Which of the following is not an abiotic factor?

• sun
• temperature
• soil
• grass

Tags

NGSS.3-ESS2-1

Which of the following is a herbivore?

• cricket
• frog
• hawk
• shrew

Tags

NGSS.MS-LS2-3

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.
• There would be a decrease in the grass/flowers population.
• There would be a decrease in the mice population.
• There would be an increase in the grass/flowers population.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

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-LS2-1

NGSS.MS-LS2-4

Which of the following best describes the small bird in the food web above?

• primary and secondary consumer
• secondary and tertiary consumer
• primary consumer only
• secondary consumer only

Tags

NGSS.MS-LS2-3

A diagram that shows the energy available to each trophic level in an ecosystem; 10% is passed on to upper levels, the rest is lost as heat

• succession 
• cellular respiration
• energy pyramid
• biochemical cycle

Which is NOT an abiotic factor:

• soil
• air
• bacteria;
• water

Which represents the largest group in a food web?

• carnivores
• omnivores
• herbivores
• producers

Tags

NGSS.MS-LS2-2