A wetland ecosystem stores carbon dioxide from the atmosphere in its soil and plants. If this wetland is destroyed, what is the most likely consequence for greenhouse gases?

The stored carbon dioxide will be released back into the atmosphere

The greenhouse gases will disappear completely

Other ecosystems will automatically store the extra carbon dioxide

More greenhouse gases will be stored in the atmosphere

Which of the following best describes an ecosystem?

Living and non-living things interacting with each other.

A group of animals living together

The climate in a specific place.

A scientist observes that when wolves were removed from Yellowstone National Park, deer populations increased dramatically, which led to overgrazing and fewer trees. What does this example best demonstrate about ecosystems?

All components in an ecosystem influence each other directly or indirectly

Only large animals affect ecosystem balance

Ecosystems are simple systems with few connections

Plants and animals never interact with each other

In a desert ecosystem, cacti have thick waxy coatings and store water in their stems. These adaptations are primarily responses to which abiotic factor?

Extreme temperature changes and low water availability

A student notices that a pond ecosystem has many different types of fish, plants, and insects, while a nearby stream has fewer species. What ecosystem characteristic most likely explains this difference?

The pond provides more diverse habitats

The pond has more abiotic components

The stream flows too fast for any organisms

If humans removed all the fish in a lake ecosystem, would is the most likely thing to happen?

The ecosystem would be unbalanced, and problems would arise.

The ecosystem would be fine, the fish would come back.

Insects and plant life would increase from the lack of fish.

Predator populations will rise.

What would most likely happen if all the plants were removed from a grassland ecosystem?

Soil erosion would increase and animal populations would decline

More sunlight would reach the ground

Animal populations would increase

The ecosystem would remain unchanged

What is an example of an ecosystem?

a group of deers, the sun, rabbits, the lake, the soil, a bird, a tree

a group of deers, rabbits, a bird, and a tree

Why is the ecosystem important?

It sustains the balance of life in nature.

It allows humans to exploit natural resources.

It can absorb all the toxins humans dispose of.

Why is the ecosystem important?

It sustains the balance of life in nature.

It allows humans to exploit natural resources.

It can absorb all the toxins humans dispose of.

A fire destroys all of the trees and plants in the forest. How might this affect the birds in the area?

The birds will have no place to build their homes.

The birds will plant seeds and grow new trees.

The birds will have more food to eat.

The birds will plant seeds and grow new trees.

an ecosystem consists of:

all of the biotic factors and their interactions with the abiotic factors in a given area

all of the biotic factors in a given area

the types of plants that inhabit a given area

abiotic factors such as the sun, salinity, temperature, and weather found in a specific area

Which of the following organisms have the greatest effect on an ecosystem because of the changes they make to their environment?

Beavers building a dam across a stream.

Bees building a hive in a hollow tree.

Wasps building a nest in a leafy bush.

They all have the same impact on the environment.

Coral make hard outer skeletons to protect their bodies. Over time, these outer skeletons can build up to make large coral reefs. How does the formation of a coral reef change the ocean ecosystem?

it creates a habitat for some ocean animals.

It make the ocean water saltier.

It removes sand from the ocean floor.

It takes away space for other animals' habitats.

Ecosystems Quiz

Authored by Cheryl Taylor

Science

1st - 6th Grade

NGSS covered

Used 2+ times

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28 questions

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MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which of the following is NOT an ecosystem?

A desert

A grassland

An ocean

A forest

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which of the following are characteristics of ecosystems that affect the diversity of organisms?

Geographic location, size, complexity

Size, complexity, landforms

Geographic location, size, climate patterns

Geographic location, climate, sunlight

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which ecosystems store greenhouse gasses?

Wetlands

Forests

Grasslands

All of the above

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which of the three components are abiotic?

Plants, animals, fungi

Water, air, sunlight

Water, plants, sunlight

Rocks, soil, animals

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which of the three components are biotic?

Plants, animals, fungi

Water, air, sunlight

Water, plants, sunlight

Rocks, soil, animals

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which statement best explains why soil is considered an abiotic component even though it contains decomposed organic matter?

Soil only contains minerals and never has organic matter

Soil is not living itself, even though it contains materials from once-living organisms

Soil changes from biotic to abiotic depending on the season

Soil is always biotic because it helps plants grow

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A researcher wants to study how temperature affects fish in a lake ecosystem. Which combination of tools would be most effective?

Only underwater cameras

Only temperature sensors

Satellite imagery

Temperature sensors and underwater cameras.

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Ecosystems Quiz

Which of the following is NOT an ecosystem?

Which of the following are characteristics of ecosystems that affect the diversity of organisms?

Which ecosystems store greenhouse gasses?

Which of the three components are abiotic?

Which of the three components are biotic?

Which statement best explains why soil is considered an abiotic component even though it contains decomposed organic matter?

A researcher wants to study how temperature affects fish in a lake ecosystem. Which combination of tools would be most effective?

A wetland ecosystem stores carbon dioxide from the atmosphere in its soil and plants. If this wetland is destroyed, what is the most likely consequence for greenhouse gases?

Which of the following best describes an ecosystem?

Organize these options into the right categories

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