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Food chains and food webs

Last updated 3 months ago

14 questions

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Question 14

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What is the primary source of energy for most food chains?

Plants

Animals

Decomposers

Sunlight

Which of the following are consumers in a food chain? (Select all that apply)

Grass

Rabbit

Eagle

Soil

Producers are organisms that can make their own food.

True

False

In a food web, what is the role of decomposers?

To produce energy

To consume plants

To break down dead organisms

To change the environment

Identify the types of organisms that can be found at the top of a food chain. (Select all that apply)

Herbivores

Carnivores

Omnivores

Producers

A food chain shows how energy flows from one organism to another.

True

False

Which of the following best describes a food web?

A linear sequence of organisms

A complex network of interconnected food chains

Only includes producers

Consists of animals only

Which organisms can be classified as producers? (Select all that apply)

Trees

Fungi

Flowers

Grass

Herbivores eat only plants.

True

False

What happens when one organism in a food chain is removed?

Nothing

The whole chain collapses

Only the producers are affected

It can disrupt the balance of the ecosystem

Which of the following roles can an owl play in a food web? (Select all that apply)

Predator

Prey

Decomposer

Scavenger

In a food chain, energy decreases as it moves up from producers to top predators.

True

False

Which term describes animals that eat both plants and animals?

Herbivores

Carnivores

Omnivores

Decomposers

What can result from an increase in predator population? (Select all that apply)

Decrease in prey population

Increase in plant life

Increase in herbivore population

Balance in the ecosystem