Question 1

What is a producer in an ecosystem?

Accepted Answer

A plant or other organism that produces its own food through photosynthesis.

Answer

An organism that eats plants and animals for food.

Answer

An animal that eats other animals for food.

Answer

A decomposer that breaks down dead matter into nutrients.

Question 2

What is the primary source of energy for most ecosystems?

Accepted Answer

The sun.

Answer

Air.

Answer

Water.

Answer

Plants.

Question 3

What is an ecosystem?

Accepted Answer

A community of living and nonliving things that interact with each other.

Answer

A single organism.

Answer

A group of unrelated organisms.

Answer

A laboratory experiment.

Question 4

What is the process of photosynthesis?

Accepted Answer

The process by which plants make their own food using energy from the sun.

Answer

The process by which plants break down food to release energy.

Answer

The process by which animals digest their food.

Answer

The process by which animals make their own food using energy from the sun.

Question 5

What is a food chain?

Accepted Answer

A sequence of organisms in which each eats the one below it in the chain.

Answer

A sequence of organisms that do not eat each other.

Answer

A sequence of organisms in which each eats the one above it in the chain.

Answer

A sequence of unrelated organisms.

Question 6

What is a predator?

Accepted Answer

An animal that hunts and kills other animals for food.

Answer

An animal that scavenges for food.

Answer

An animal that eats only plants.

Answer

An animal that does not eat other animals.

Question 7

What is a herbivore?

Accepted Answer

An animal that eats only plants.

Answer

An animal that eats both plants and animals.

Answer

An animal that does not eat anything.

Answer

An animal that eats only meat.

Question 8

What is a biotic factor in an ecosystem?

Accepted Answer

A living thing that affects another living thing in an ecosystem.

Answer

A nonliving thing that does not affect anything in an ecosystem.

Answer

A nonliving thing that affects a living thing in an ecosystem.

Answer

A living thing that does not affect anything in an ecosystem.

Question 9

What is a decomposer?

Accepted Answer

An organism that breaks down dead matter into nutrients.

Answer

An organism that does not eat anything.

Answer

An organism that eats only plants.

Answer

An organism that eats only meat.

Question 10

What is an abiotic factor in an ecosystem?

Accepted Answer

A nonliving thing that affects a living thing in an ecosystem.

Answer

A living thing that does not affect anything in an ecosystem.

Answer

A living thing that affects another living thing in an ecosystem.

Answer

A nonliving thing that does not affect anything in an ecosystem.

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