When animals breathe, they give off a gas called carbon dioxide. How does carbon dioxide cycle through an ecosystem?

Plants take in carbon dioxide for the process of photosynthesis.

How do ocean and pond ecosystems compare?

Oceans include more diverse organisms (plants and animals) than ponds.

Which statement best describes how organisms get energy?

Decomposers feed on decaying organsims and waste for energy.

How are plants and algae best classified in an aquatic (water-based) ecosystem?

Plants and algae are best classified as producers.

Which of the following is most likely to occur with the owls and hawks gone?

More young mice will survive and become adults.

What might happen to the bird and turtle populations in the estuary ecosystem if eelgrass is removed to build a bridge?

Both populations will get smaller.

Which statement best describes both forest and grassland ecosystems?

Both are terrestrial (land-based) ecosystems.

Which statement best describes an ecosystem?

All the living and nonliving parts of the environment and how they interact

In this food Chain: Grass to grasshopper to frog to raccoon to bacteria What happens if chemicals kill the frogs?

Some raccoons will leave in search of another food source.

How might heavy rainfall and flooding affect ecosystems in Eastern North Carolina?

Flooding will affect the organisms and the salinity of all those ecosystems

What is the purpose of a food web?

It is a visual representation of overlapping food chains & paths of energy

How do forest and grassland ecosystems compare?

They have tempatures that vary bsed on their locations.

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Ecosystems NC5.L.2

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Questions 21

Answers

1
When animals breathe, they give off a gas called carbon dioxide. How does carbon dioxide cycle through an ecosystem?
Fish take in carbon dioxide to breathe
The carbon dioxide spreads plant pollen
Other animals take in carbon dioxide to breathe
Plants take in carbon dioxide for the process of photosynthesis.
2
Which food chain below models the flow of energy from a producer to a consumer to another consumer?
shrub to caterpillar to crow
crow to caterpillar to shrub
hawk to shrub to caterpillar
caterpillar to shrub to hawk
3
What type of forest has leaves that fall in Autumn?
coniferous forest
tropical rainforest
boreal forest
deciduous forest
4
How do ocean and pond ecosystems compare?
Oceans are shallower than ponds.
Oceans include more diverse organisms (plants and animals) than ponds.
Oceans include freshwater and ponds include saltwater.
Ponds are large bodies of water divided by continents.
5
In a prairie, mice and rabbits eat plants. Eagles eat the mice and rabbits. If the rabbits die, what would happen?
The eagles will eat more mice.
The eagles will begin to eat the plants.
The mice would move to another prairie.
The mice will run out of food.
6
Which statement best describes how organisms get energy?
Consumers only eat producers for energy.
Consumers only eat other consumers for energy.
Decomposers get energy from the sun.
Decomposers feed on decaying organsims and waste for energy.
7
How are plants and algae best classified in an aquatic (water-based) ecosystem?
Plants and algae are best classified as abiotic (nonliving
Plants and algae are best classified as producers.
Plants and algae are best classified as decomposers.
Plants and algae are best classified as consumers.
8
Which of the following is most likely to occur with the owls and hawks gone?
Red foxes will stay for a while then leave to find the owls and hawks.
The insect population will decrease (get smaller).
More young mice will survive and become adults.
There will be more trees and grass.
9
Temperature is
a biotic factor
a producer
an abiotic factor
a decomposer
10
Which is best described a consumer in the rainforest?
Rain
Trees
Mushrooms
Monkeys
11
Which would likely increase if a chemical was used to kill most of the grasshoppers in the ecosystem below?
Frogs
Racoons
The loss of grasshoppers will not affect other populations in the ecosystem
Grass
12
Which is an aquatic ecosystems that is a mixture of freshwater and salty water.
estuary
lake
pond
ocean
13
North Carolina's forests are mainly coniferous forests.
True
False
14
What might happen to the bird and turtle populations in the estuary ecosystem if eelgrass is removed to build a bridge?
Both populations will get smaller.
The bird population will get bigger.
The turtle population will get bigger.
Both the turtle and bird populations will get bigger.
15
How might cutting down tress and clearing land for a parking lot change the forest ecosystem?
Birds lose their habitats.
Soil erosion might occur.
There will be less food for the squirrels.
All of the above.
16
Which statement best describes both forest and grassland ecosystems?
Both are always found in cold places
Both are made up of mostly trees
Both are only in America.
Both are terrestrial (land-based) ecosystems.
17
Which statement best describes an ecosystem?
An ecosystem is a forest or an ocean.
An ecosystem is any organism, such as algae
An ecosystem is all the organisms of the same kind in a particular area.
All the living and nonliving parts of the environment and how they interact
18
In this food Chain: Grass to grasshopper to frog to raccoon to bacteria What happens if chemicals kill the frogs?
The population of grasshoppers will decrease (get smaller)
The raccoons will begin to eat grass
The grass will dry up and turn brown.
Some raccoons will leave in search of another food source.
19
How might heavy rainfall and flooding affect ecosystems in Eastern North Carolina?
Flooding will only affect plants in all those ecosystems.
Flooding will only affect animals in all those ecosystems.
Flooding will affect the organisms and the salinity of all those ecosystems
The flooding will not affect the ecosystems.
20
What is the purpose of a food web?
It is a visual representation of overlapping food chains & paths of energy
It is a visual represtentation of the flow of oxygen and carbon dioxide.
It is a visual representation of how nitrogen is used by plants.
It is a visual representation of how producers use sun in photosynthesis.
21
How do forest and grassland ecosystems compare?
They receive the same amount of rainfall each year.
They have poor soil.
They have tempatures that vary bsed on their locations.
They are dark because they are shaded from sunlight.

Ecosystems NC5.L.2 Flashcards | StudBud