Energy Flow

An organism that eats other organisms

• Predator

• Autotroph

• Consumer

• Phytoplankton

Tags

NGSS.MS-LS2-3

An organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing the nutrients

• Omnivore

• Decomposer

• Prey

• Energy pyramid

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

A diagram that shows the amount of energy that moves from one feeding level to another in a food web

• 10% rule

• Host

• Energy pyramid

• Omnivore

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A series of steps in which organisms transfer energy by eating and being eaten

• Energy pyramid

• Biome

• Food chain

• Phytoplankton

Tags

NGSS.MS-LS2-3

Which of the following best describes the energy flow in an ecosystem?

• Linear, from the sun to producers to consumers and finally to decomposers

• Circular, with energy constantly recycled between producers, consumers, and decomposers

• Random, with energy moving unpredictably among organisms

• Bidirectional, with energy moving back and forth between producers and consumers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How does energy flow through an ecosystem?

• From producers to decomposers to consumers

• From consumers to producers to decomposers

• From producers to consumers to decomposers

• In a closed loop with no beginning or end

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the primary source of energy for most ecosystems?

• Wind

• Thermal vents

• The Sun

• Decomposition

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which statement provides the best explanation for the difference in biomass of organisms found at each trophic level?

• Organisms at higher trophic levels have less energy available to them than organisms at lower trophic levels.

• Organisms at higher trophic levels require smaller habitats than organisms at lower trophic levels.

• Organisms at lower trophic levels provide less energy than organisms at higher trophic levels.

• Organisms at lower trophic levels outcompete organisms at higher trophic levels.

Tags

NGSS.MS-LS2-3

In the energy pyramid here, which organisms have the LEAST energy available?

• Producers

• primary consumer

• secondary consumer

• tertiary consumer

Tags

NGSS.MS-LS2-3

What happens to energy as it moves up the food chain?

• It increases.

• It decreases.

• It stays the same.

• It disappears.

Tags

DOK Level 2: Skill/Concept