Elevate Science Energy

What role does sunlight play in the energy transfer within a food chain?

• It is used by all organisms for warmth.

• It is directly consumed by herbivores.

• It is converted by plants into chemical energy, which supports the food chain.

• It has no role in energy transfer.

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DOK Level 2: Skill/Concept

In terms of energy, why is it advantageous for an ecosystem to have multiple trophic levels?

• It allows for more energy to be available at the top of the food chain.

• It increases the overall energy efficiency of the ecosystem.

• It provides stability and supports biodiversity by distributing energy among various organisms.

• It decreases competition among primary consumers.

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DOK Level 2: Skill/Concept

This sorts animals and plants according to where they are in the food chain:

• Food web

• Energy pyramid

• Trophic level

• Biomass

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DOK Level 2: Skill/Concept

What way do animals use energy for internal processes?

• Digestion

• Movement

• Growth

• All of the above

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DOK Level 2: Skill/Concept

How does the food an animal eats relate to how it moves?

• Animals use energy primarily to find food.

• Movement in animals does not require energy.

• Energy from food is converted into kinetic energy for movement.

• Animals store all energy from food as fat.

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DOK Level 2: Skill/Concept

What type of animal is able to use energy stored in its body to keep its body temperature at a normal range?

• herbivore

• omnivore

• ectotherm

• endotherm

How do carnivores obtain their energy?

• By eating plants

• By consuming other animals

• Through photosynthesis

• By absorbing sunlight

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DOK Level 2: Skill/Concept

As energy moves through a trophic level or food pyramid from bottom to top, there is _____ energy left at the top of the pyramid.

• more

• less

• the same amount of

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the main role of chlorophyll in photosynthesis?

• It helps in the absorption of water.

• It absorbs sunlight.

• It transports nutrients.

• It releases oxygen.

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DOK Level 2: Skill/Concept

What is the primary source of energy for the Earth's climate system?

• A) The Moon

• B) The Sun

• C) The Earth's core

• D) Ocean currents

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NGSS.MS-ESS1-1

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6