Ecosystem, Trophic Levels, Matter and Energy Test A 2023

Last updated almost 3 years ago

20 questions

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What is an ecosystem?

A community of non-living things.

An economical system of things

A community of living and non-living things.

Which of the following are examples of non-living things (Mark all that apply).

Abiotic means and biotic means ____.

biology

nature

non-living, living

Match the definition to the correct word: living and nonliving parts of an environment that act together

ecosystems

habitat

population

Match the definition to the correct word: the place where a living thing makes it's home

ecosystem

habitat

population

An ecosystem contains organisms interacting with each other and their physical environment. Which of these is the BEST indicator of a healthy ecosystem?

There are few decomposers.

There are many different species.

There is a large population of only one species.

Match the definition to the correct word: a group of the same species in a habitat

habitat

population

organism

Match the definition to the correct word: a living thing.

ecosystem

habitat

organism

What is an abiotic factor found in a Desert biome?

cacti

sand

temperature

Both (B) and (C)

________ is the source of energy for almost all living things.

water

sunlight 

food

Moose are grazing animals. They eat grass. If there were too many moose in an area, there would probably be . . .

fewer predators of bison

many other large grazing animals

less grass and more bare soil

The plant a ladybug lives on, the aphids that the ladybug eats, and the birds that eat the ladybugs are all.

physical factors of the environment

biotic parts of the environment

abiotic parts of the environment

Click on Biomes choices we worked on in class. Select all that apply.

Iceland 

Desert

Tundra

Grassland

What is a food chain?

A system that has different animals in it.

It is the habit where an animal eat, play and live.

Is a sequence of feeding relationships describing which organism eats another.

What are the three basic organisms in a food chain? Click all that apply.

producer

herbivore

consumer 

decomposer

Analyze the food web above. Which statement is true?

The harpy eagle eats more types of organisms in the food web than the scarlet macaw does.

The harpy eagle eats the same types of organisms in the food web than the scarlet macaw does.

The scarlet macaw is eaten by the same types of organisms in the food web than the harpy eagle is.

Analyze the food web above. Which of the following are consumers? Select all that apply.

Butterfly

Flowers

Sloth

Beetles

Analyze the food web above. Which of the following are producers? Select all that apply.

Butterfly

Leaves

Flowers

Sloth

In an energy pyramid, approximately 10 percent of the energy available in one trophic level is transferred to the next level. Which statement helps explain why this occurs?

Consumers eat both producers and other consumers.

Organisms use most of the available energy to fuel their own life processes and can only eat certain parts of the animal they killed.

Predators eat more organisms in their own level than other organisms.

What is the trophic level definition in a food chain?

Is a sequence of feeding relationships describing which organism eats another.

It is the position an organism occupies in a food chain.

Indicates the amount of energy that is present in each trophic level.

What is an ecosystem?

A community of non-living things.

An economical system of things

A community of living and non-living things.

Which of the following are examples of non-living things (Mark all that apply).

weather

fish

trees

soil

sunlight

Abiotic means ______________ and biotic means __________________.

biology

nature

non-living, living

Match the definition to the correct word:  living and nonliving parts of an environment that act together

ecosystems

habitat

population

Match the definition to the correct word:  the place where a living thing makes it's home

ecosystem

habitat

population

An ecosystem contains organisms interacting with each other and their physical environment. Which of these is the BEST indicator of a healthy ecosystem?

There are few decomposers.

There are many different species.

There is a large population of only one species.

Match the definition to the correct word:  a group of the same species in a habitat

habitat

population

organism

Match the definition to the correct word:  a living thing.

ecosystem

habitat

organism

What is an abiotic factor found in a Desert biome?

cacti

sand

temperature

Both (B) and (C)

________ is the source of energy for almost all living things.

water

sunlight 

food

Moose are grazing animals.  They eat grass. If there were too many moose in an area, there would probably be . . .

fewer predators of bison

many other large grazing animals

less grass and more bare soil

The plant a ladybug lives on, the aphids that the ladybug eats, and the birds that eat the ladybugs are all.

physical factors of the environment

biotic parts of the environment

abiotic parts of the environment

Click on Biomes choices we worked on in class.  Select all that apply. 

Iceland 

Desert

Tundra

Grassland

What is a food chain?

A system that has different animals in it.

It is the habit where an animal eat, play and live.

Is a sequence of feeding relationships describing which organism eats another.

What are the three basic organisms in a food chain?  Click all that apply.

producer

herbivore

consumer 

decomposer

Analyze the food web above.  Which statement is true?

The harpy eagle eats more types of organisms in the food web than the scarlet macaw does.

The harpy eagle eats the same types of organisms in the food web than the scarlet macaw does.

The scarlet macaw is eaten by the same types of organisms in the food web than the harpy eagle is.

Analyze the food web above.  Which of the following are consumers?  Select all that apply.

Butterfly

Flowers

Sloth

Beetles

Analyze the food web above.  Which of the following are producers?  Select all that apply.

Butterfly

Leaves

Flowers

Sloth

In an energy pyramid, approximately 10 percent of the energy available in one trophic level is transferred to the next level.  Which statement helps explain why this occurs?

Consumers eat both producers and other consumers.

Organisms use most of the available energy to fuel their own life processes and can only eat certain parts of the animal they killed.

Predators eat more organisms in their own level than other organisms.

What is the trophic level definition in a food chain?

Is a sequence of feeding relationships describing which organism eats another.

It is the position an organism occupies in a food chain.

Indicates the amount of energy that is present in each trophic level.