Field mice are the primary food source for horned owls in an area. Due to a drought, many field mice left the area. Which result would this drought most likely have on the horned owls?

Horned owls will follow the field mice to a different area.

The horned owl population will consume more field mice.

The horned owl population will increase in the area.

Horned owls will change to a plant-based diet.

Which species are best able to occupy the same space?

those whose needs differ significantly from each other

those that compete for the same resources

those that have a predator/prey relationship

Which best describes a way photosynthesis provides resources to animals?

Photosynthesis increases plant growth, providing places for many animals to live

Photosynthesis produces carbon dioxide, decreasing the animal’s need for oxygen.

Photosynthesis produces excess moisture from the plants, reducing the need for a water supply.

Photosynthesis increases plant growth, providing food for carnivores and eliminating the need to hunt.

Deer are introduced into a grassland ecosystem and their population increases considerably. If the deer population continues to grow, which is the most likely outcome for the ecosystem?

Biodiversity would decrease, and sustainability would decrease.

Biodiversity would decrease, and sustainability would increase.

Biodiversity would increase, and sustainability would increase.

Biodiversity would increase, and sustainability would decrease.

Below is an example of a simple food chain. Acorn → Squirrel → Fox → Mountain Lion What will most likely happen if squirrels are removed from the food chain?

The fox population will decrease

The trees will produce fewer acorns.

The mountain lion population will increase

A rainforest area is experiencing a severe drought. As a consequence, the insect population has decreased. What will the insect-eating birds most likely do as a result of the drought?

move to a new area to find food

stop searching for food until it begins to rain

begin reproducing to increase population

start the process of hibernation

Which is an abiotic factor that would affect the growth of a population within an ecosystem?

the number of carnivores present

Prairie dogs rely on underground tunnels for shelter. Which best explains how the prairie dog population is affected when their tunnels are disrupted and exposed?

The prairie dogs are exposed to predators

The prairie dogs are burned by the sun.

The prairie dogs can find more food to eat in the fields

The prairie dogs are forced to learn to live in trees and shrubs

When an ecosystem is affected by loss of shelter, what happens to the populations in that ecosystem?

They can readily adapt to the changes

In a forest ecosystem, a food chain might look like this: green plants → rabbit → fox → panther If the green plants are destroyed in a forest fire, which short-term effect will this have on the organisms in this food chain?

There would be fewer rabbits for the foxes to eat.

The panthers would have to begin to eat green plants.

There would be an increase in the fox population

There would be more green plants for the rabbits to eat

Eats plants and other animals for energy

Eats dead plants or animals and breaks down to put nutrients in the soil

Eats plants or other animals for food

The bottom, or ground, layer in a forest.

The layer between the ground and the tree tops.

What does biodiversity mean?

The different amount of species in an area

Ecosystems

Authored by Elaine Hyatt

Science

6th Grade

NGSS covered

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63 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

An individual living thing is a/an __________.

habitat

ecosystem

organism

population

Tags

NGSS.3-LS1-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The place where an organism lives is its _________.

habitat

abiotic

ecosystem

community

Tags

NGSS.3-LS4-3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

All of the nonliving parts of an ecosystem are _______.

biography

biotic

abiotic

biology

Tags

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

All of the living and nonliving things in an area that interact with each other are called a/an ______.

community

habitat

population

ecosystem

Tags

NGSS.MS-LS2-2

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

A group of different species that live together and interact in an environment are called a/an ________.

community

habitat

population

ecosystem

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Energy flow for an ecosystem starts with...

Sun

Moon

Neither

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The part of Earth where organisms can live.

biotic factors

biosphere

ecology

biology

Tags

NGSS.MS-LS2-1

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Ecosystems

An individual living thing is a/an __________.

The place where an organism lives is its _________.

All of the nonliving parts of an ecosystem are _______.

All of the living and nonliving things in an area that interact with each other are called a/an ______.

A group of different species that live together and interact in an environment are called a/an ________.

Energy flow for an ecosystem starts with...

The part of Earth where organisms can live.

Organisms that make up the living part of an ecosystem.

Nonliving things found in an ecosystem.

The study of interactions in an ecosystem.

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