why is only about 10% of the energy available within 1 trophic level transferred to organisms at the next trophic level

Energy is lost at each level in the food chain

Energy is lost through the process of respiration (as heat)

Which food chain below correctly represents information shown in the food web?

Sunlight → Grass → Ant → Lizard

Grass → Grasshopper → Frog → Duck

Duck → Tadpole → Algae → Sunlight

Grasshopper → Frog → Snake → Lizard

Which of the following statements are false?

Animals are autotrophic, consumers, and could be omnivores, herbivores, or carnivores

Animals are heterotrophic, consumers, and could be omnivores, herbivores, or carnivores

Plants are autotrophic and producers, meaning they create their own energy

Animals that are omnivores eat both animals and plants

What might happen if you remove a primary consumer from the ecosystem?

The number of plants would increase.

There would be more food for secondary consumers.

The number of primary consumers would increase.

The number of secondary consumers would increase.

an organism that gets energy from eating only plants

an animal that gets energy from eating other animals

an animal that gets energy by eating both plants and other animals

an animal that gets energy by eating other animals

An animal that gets energy by eating only plants

an animal that gets energy by eating both plants and animals

an animal that makes its own energy through photosynthesis

Sun is the principal source of energy input to biological systems. Which pathway is taken by energy from the Sun?

trapped by chlorophyll --> chemical energy in carbohydrates --> stored in plants

chemical energy in carbohydrates --> stored in plants --> trapped by chlorophyll

stored in plants --> chemical energy in carbohydrates --> trapped by chlorophyll

stored in plants --> trapped by chlorophyll --> chemical energy in carbohydrates

In the food chain below, the population of snakes is halved owing to a viral disease. What effect does this have on the other members of the food chain?

grass (decrease), locusts (increase), eagles(decrease)

grass (decrease), locusts (increase), eagles(increase)

grass (increase), locusts (decrease), eagles(decrease)

grass (increase), locusts (increase), eagles(decrease)

Which of the following is a food chain in this web?

rabbit fleas --> rabbits --> grass

Organisms and Environment Check for Understanding

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Practice Problem

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Hard

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NGSS

MS-LS2-3, MS-LS2-2, MS-LS2-1

Standards-aligned

Charles Martinez

FREE Resource

50 questions

Show all answers

MULTIPLE CHOICE QUESTION

1 min • 1 pt

____________ is the principal source of energy input to biological systems.

water

air

moon

sun

Organisms that hunt and eat other organisms.

predator

prey

parasitism

mutualism

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An place where an organism lives.

niche

habitat

abiotic factors

biotic factors

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The organisms that are being hunted is ....

predator

prey

parasitism

mutualism

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How do plants get their food?

Plants get their food from minerals.

Plants use energy from the sun, air and water to make food.

Plants get their food from dead plants and animals.

Plants get their food from soil.

Which organisms are producers?

chipmunks, skunks, raccoons

grass, trees, shrubs

bears, snakes, hawks

all organisms are producers

Prairie dogs, ferrets, rabbits, mice and owls are all _______________.

consumers

producers

prey

decomposers

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Organisms and Environment Check for Understanding

50 questions

____________ is the principal source of energy input to biological systems.

Organisms that hunt and eat other organisms.

An place where an organism lives.

The organisms that are being hunted is ....

How do plants get their food?

Which organisms are producers?

Prairie dogs, ferrets, rabbits, mice and owls are all _______________.

why is only about 10% of the energy available within 1 trophic level transferred to organisms at the next trophic level

Autotrophs like plants, make their own food through

Arrows in food webs and food chains show

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