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WorksheetsEcosystem Unit Review
Total questions: 54
Worksheet time: 1hrs 5mins
What makes up the cardinal population in Prince William Forest Park?
all the birds in Virginia
all the cardinals living in Prince William Forest Park
all the living and nonliving components at the edge of the forest
only the living things at the edge of the forest
Which of the following would be a part of the community in which the cardinals live? Select ALL possible answers.
rocks
trees
water
other birds
Which three components of an ecosystem are nonliving? Select all three.
Air
Nutrients
Decomposer
Sunlight
Which description best completes this table?
a field mouse
all the nonliving components in the meadow
all the food the field mouse eats
all the producers in the meadow
The energy in any ecosystem comes from the (a) .
Energy is returned to the nutrient pool through (a) .
Study this food chain. What is the producer?
grasshopper
mushroom
snake
grass
Study this food chain. What is a consumer?
grass
mushroom
sun
owl
Study this food chain. What is the decomposer?
grass
owl
grasshopper
mushroom
Which component of this ecosystem has the most amount of energy?
producers
consumers
decomposers
insects
Study this food web. Which organisms provide energy for more than one organism in this food web? Select ALL that apply.
fox
frog
grasshopper
owl
If a group of raccoons was introduced to this ecosystem and began eating frogs, what would most likely happen?
There will be less grasshoppers in the area
Snakes will begin eating grasshoppers
Frogs will begin eating plants
There will be less snakes in the area
Study the food web. Which two organisms are in direct competition for food?
frog and mouse
fox and rabbit
owl and bird
frog and bird
The great horned owl has a sharp beak and claws used for catching prey and tearing meat. It has good eyesight to see in low light. Which of these is part of the niche of the great horned owl?
grazes on grass during the day
comes out at dawn and gets worms from the ground
comes out as dusk to sweep the sky for insects
hunts small animals at night
All species of plants & animals require four things in their habitat. Select the four requirements from the list below.
food
shelter
ecosystem
water
space
Yara is taking notes on niches. Which of the following should be added to her notes?
plants do not have niches
an organism may have different niches during its life
all farm animals have the same niche
a bird's niche is the sky
Which of the following describes an organism whose niche has changed?
A frog is a carnivore and a tadpole is an herbivore
A cow is an herbivore and a calf is an herbivore
A trout eats small fish and a goldfish eats plants and insects
A bunny eats grass and a rabbit eats grass
A zoo hatched 100 eggs from three different types of butterflies. They watched the population of each type of butterfly and recorded the number of butterflies for five months. Which of the following is true?
The painted lady population died out
The monarch butterfly population decreased from June to July
The painted lady population stayed constant
The zebra swallowtails decreased greatly over time
Which organism is the producer in this food web?
Many tourists and locals have been fishing in the same spot in this lake for a long period of time. How will the organisms in this food web most likely be affected if this fishing continues?
The frog population will have fewer dragonflies to eat.
The dragonfly population will have more beetles to eat.
The pelican population will have less herring to eat.
The mayfly population will have less algae to eat.
A disease reduces the number of young salmon in a river. Which populations will MOST likely increase as a result?
What is the source of energy for the cricket?
Which organism living in the pond uses the energy from sunlight to make food?
Which of the following diagrams best show how population, community, and ecosystem interrelate?
A hedgehog is an animal that eats both plants and animals. Their niche in an ecosystem is a
herbivore
producer
carnivore
omnivore
A tree is an example of a _______________.
consumer
decomposer
producer
Humans are considered _______________.
consumers
decomposers
producers
A worm is an example of a _______________.
consumer
decomposer
producer
An organism that gets energy from eating other organisms is a ________________.
consumer
decomposer
producer
This is an example of a ______________.
food chain
food pyramid
food web
This is an example of a ______________.
food chain
food pyramid
food web
Which of the organisms from the ecosystem would NOT be a decomposer?
bacteria
fish
fungi
Why are decomposers important in an ecosystem?
They directly give energy to consumers.
They break down dead things and put nutrients back in the ground.
They are not important they are harmful.
TRUE OR FALSE?
The sun is the main source of energy for all of life on earth.
True
False
_______ are consumers that eat only meat.
Herbivores
Omnivores
Carnivores
________ are consumers that eat plants and meat.
Herbivores
Omnivores
Carnivores
Which group do fungi, bacteria, and termites belong to?
decomposers
producers
herbivores
omnivores
An animal that is hunted by other animals for food is called _____________________ .
Victim
Sally
Predator
Prey
Which of the following are behavioral adaptations? Choose all that are correct.
birds fly south in the winter
sharks have sharp teeth to catch their prey
prickly thorns on a cactus
bears hibernate in the winter
Which of the following describes the role or function an organism performs in the food web of its community?
habitat
niche
life cycle
adaptation
Which of these is a community?
Which mineral resource is mined in Virginia and used as fuel?
Oil
Coal
Granite
Limestone
Each of the following of Virginia's minerals can be used for building materials
EXCEPT -
coal
limestone
sand
granite
What mineral is often found in Virginia’s caverns?
Coal
Oil
Limestone
Diamonds
What resource do we mine from the Appalachian Plateau for our heating and industry?
Limestone
Oil
Granite
Coal
Why are coal and trees called natural resources?
Animals use trees.
They are both renewable.
Coal must be mined for us to use it.
They come from the Earth.
Why are coal and trees called natural resources?
Animals use trees.
They are both renewable.
Coal must be mined for us to use it.
They come from the Earth.
Which VA natural resource is used to make countertops?
coal
limestone
gravel
granite
Which VA natural resource is used to make glass, riverbeds, and roads?
sand
limestone
gravel
granite
Which VA natural resource is broken down rock?
sand
limestone
gravel
granite
Which of these VA natural resources is a key ingredient in cement?
limestone
coal
gravel
sand
Which of these VA natural resources is burned in power plants to generate electricity?
granite
limestone
coal
sand
