What is the primary role of decomposers in an ecosystem?

To break down dead organisms and recycle nutrients

To produce food through photosynthesis

Which of the following best describes a predator-prey relationship?

A relationship where one organism eats the other

A relationship where both organisms benefit

A relationship where both organisms compete for food

A relationship where one organism provides shelter for the other

What does the term "biotic" refer to?

The living components of an ecosystem

Non-living components of an ecosystem

The physical space an organism occupies

What does "abiotic" refer to?

The non-living factors in an environment

The living organisms in an environment

The decomposers in an ecosystem

The primary producers in an ecosystem

Omnivores can act as:

Both primary and secondary consumers

Neither primary nor secondary consumers

What is the main difference between a food chain and a food web?

A food chain shows a single path of energy flow, while a food web shows multiple paths.

A food web only includes carnivores, while a food chain includes all types of organisms.

A food chain is more complex than a food web.

A food web does not include producers.

How do decomposers contribute to the nutrient cycle in an ecosystem?

By breaking down dead organisms and releasing nutrients back into the soil

By producing oxygen through photosynthesis

Which of the following best describes the role of producers in an ecosystem?

They convert sunlight into chemical energy through photosynthesis.

They are the primary source of food for carnivores.

They break down organic matter and recycle nutrients.

They consume other organisms for energy.

What is the primary difference between biotic and abiotic factors?

Biotic factors are living, while abiotic factors are non-living.

Abiotic factors can reproduce, while biotic factors cannot.

Biotic factors are always harmful to ecosystems, while abiotic factors are beneficial.

Abiotic factors include animals and plants, while biotic factors include rocks and water.

What role do producers play in the carbon cycle?

They consume carbon dioxide during photosynthesis.

They release carbon dioxide through respiration.

They break down carbon compounds in dead organisms.

They increase carbon levels in the ocean.

Which of the following best describes an omnivore's niche?

Feeding on both plants and animals

Breaking down dead organic matter

How do abiotic factors like water and temperature affect the distribution of organisms in an ecosystem?

They determine which organisms can survive in certain areas.

They have no significant effect on where organisms live.

They only affect the distribution of plants, not animals.

They only affect the distribution of animals, not plants.

What is the main function of carnivores in an ecosystem?

To control the population of herbivores

Why are decomposers important for a healthy ecosystem?

They recycle nutrients back into the soil.

They provide food for primary consumers.

They produce oxygen through photosynthesis.

Which of the following best describes the flow of energy in a food chain?

From producers to primary consumers to secondary consumers

From producers to decomposers to consumers

From consumers to producers to decomposers

From decomposers to producers to consumers

How do herbivores obtain energy?

By decomposing organic material

What is the role of abiotic factors in determining the types of plants that can grow in an ecosystem?

They influence soil composition and sunlight availability, which affects plant growth.

They have no role; only biotic factors influence plant growth.

They determine how fast plants can grow.

They only affect animal populations, not plant growth.

What is the significance of an organism's niche in an ecosystem?

It defines the organism's role and how it interacts with other organisms.

It determines the organism's color and size.

It is only important for determining the food chain.

It has no real significance; organisms can perform any role.

Ecosystems Quiz

Quiz

•

Science

•

5th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-LS2-3, MS-LS1-6, MS-LS2-2

+5

Standards-aligned

Dawn Hill

Used 10+ times

FREE Resource

43 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

A food web models how the matter eaten by organisms moves through an ecosystem. The arrows in a food web represent how matter moves between organisms in an ecosystem.
What would be most impacted if all the earthworms died out?
Select ALL that would apply

collared lemming

arctic fox

bear sedge

mushroom

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of a carnivore in a food chain?

Oak tree

Rabbit

Lion

Wheat

Tags

NGSS.MS-LS2-3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role do herbivores play in a food web?

They decompose dead organisms.

They consume plants.

They eat other animals.

They produce their own food through photosynthesis.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is considered a decomposer in ecosystems?

Wolf

Mushroom

Grass

Deer

Tags

NGSS.MS-LS2-3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a predator-prey relationship, what role does the predator play in its niche?

It helps to pollinate plants.

It controls the population of the prey.

It produces oxygen through photosynthesis.

It breaks down dead organisms.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is considered a biotic factor in an ecosystem?

Water

Sunlight

Trees

Rocks

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an abiotic factor in an ecosystem?

Bacteria

Temperature

Insects

Birds

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Ecosystems Quiz

43 questions

A food web models how the matter eaten by organisms moves through an ecosystem. The arrows in a food web represent how matter moves between organisms in an ecosystem.
What would be most impacted if all the earthworms died out?
Select ALL that would apply

Which of the following is an example of a carnivore in a food chain?

What role do herbivores play in a food web?

Which of the following is considered a decomposer in ecosystems?

In a predator-prey relationship, what role does the predator play in its niche?

Which of the following is considered a biotic factor in an ecosystem?

Which of the following is an abiotic factor in an ecosystem?

The specific role or job of an organism in its environment is known as its:

Which of the following are consumers in an ecosystem?

Which of the following are considered producers in an ecosystem?

Access all questions and much more by creating a free account

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Ecosystems Quiz

43 questions

A food web models how the matter eaten by organisms moves through an ecosystem. The arrows in a food web represent how matter moves between organisms in an ecosystem.What would be most impacted if all the earthworms died out?Select ALL that would apply

Which of the following is an example of a carnivore in a food chain?

What role do herbivores play in a food web?

Which of the following is considered a decomposer in ecosystems?

In a predator-prey relationship, what role does the predator play in its niche?

Which of the following is considered a biotic factor in an ecosystem?

Which of the following is an abiotic factor in an ecosystem?

The specific role or job of an organism in its environment is known as its:

Which of the following are consumers in an ecosystem?

Which of the following are considered producers in an ecosystem?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

A food web models how the matter eaten by organisms moves through an ecosystem. The arrows in a food web represent how matter moves between organisms in an ecosystem.
What would be most impacted if all the earthworms died out?
Select ALL that would apply