Energy Flow Review

Examples of important organisms that break down dead plants and animals to recycle nutrients such as nitrogen and carbon into the environment include:

Group of answer choices

• bacteria and fungi

• plants

• plants, fungi and bacteria

• producers

Tags

NGSS.MS-LS2-3

Decomposers would act on which of the organisms?

• Eagle, snake, rabbit

• Flowers

• Sun, eagle, snake

• Eagle, snake, rabbit, flowers

Tags

NGSS.MS-LS2-3

In an energy pyramid, what level would have the least amount of energy?

• Producers

• Primary consumers

• Secondary consumers

• Tertiary consumers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In an energy pyramid, how much energy is PASSED ON to the next level?

• 20%

• 80%

• 10%

• 90%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In order for organisms in an ecosystem to get energy for life processes, which of the following processes is essential?

Group of answer choices

• Digestion

• Nitrogen Fixation

• Combustion

• Photosynthesis

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Ecosystems with _________biodiversity are more stable.

• more

• less

• no

Tags

NGSS.MS-LS2-5

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.

• It shows how sunlight flows within an ecosystem.

• They represent how water is transferred within a habitat.

• They show the direction the energy is flowing between organisms.

Tags

NGSS.MS-LS2-3

Which of the following has the correct order of the trophic levels for a food web or chain.

• producer-tertiary consumer-secondary consumer-primary consumer

• herbivores-decomposer-autotrophs-carnivores-

• producer-primary consumer-secondary consumer-tertiary consumer-decomposer

• decomposer-carnivores-autotrophs-herbivores

Tags

NGSS.MS-LS2-3

Organisms that make their own energy are known as

• autotrophs

• heterotrophs

• consumers

• decomposers

Another name for consumers is________________.

• producer

• autotroph

• heterotroph

• algae