Levels of Organization and Energy Flow Review

__________ is a diagram that shows the numbers of individual organisms at each trophic level.

• Pyramid of numbers

• Food chain

• Food web

• Energy pyramid

__________ is a diagram that shows how available energy is distributed among trophic levels.

• Energy pyramid

• Pyramid of numbers

• Food web

• Trophic levels

Tags

NGSS.MS-LS2-3

__________ are organisms that make their food from inorganic resources through the processes of photosynthesis or chemosynthesis; also called autotroph.

• Producers

• Decomposers

• Detritivores

• Food chain

Tags

NGSS.MS-LS1-6

__________ are organisms that feed off the remains of dead organisms; also called a scavenger.

• Detritivores

• Decomposers

• Producers

• Trophic levels

About _______% energy of one trophic level is transferred to the next level in food chains/webs.

• 90

• 80

• 10

• 20

Tags

NGSS.MS-LS2-3

The most basic level of ecological organization is a(n):

• biosphere

• organism

• ecosystem

• population

If two organisms are in the same species, then they must be able to...

• live in the same exact habitat.

• breed and produce fertile offspring.

• share the exact same niche.

• eat the exact same food.

Which ecological level of organization is the LOWEST level that contains both biotic and abiotic factors?

• population

• community

• biome

• ecosystem

Tags

NGSS.MS-LS2-3

Which of the following would be classified as an organism’s niche?

• squirrels live in trees

• humans live in houses

• some birds live in the tops of trees in nests

• some birds fly south for the winter and eat the insects once they get there

Tags

NGSS.MS-LS2-2

What is the main function of decomposers in an ecosystem?

• Produce energy from sunlight

• Break down organic matter and recycle nutrients

• Consume producers

• Store energy in the soil

Tags

NGSS.MS-LS2-3