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WorksheetsSOL 4.3 Ecosystems Review
Total questions: 20
Worksheet time: 12mins
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
Study this food web. What would most likely happen to the organisms if the population of grasshoppers greatly decreased?
Competition between frogs and birds for food would increase
Competition between hawks and snakes for food would increase
The number of mice would decrease
Foxes would start eating extra frogs
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
Which of the following things can be used to classify different organisms? Select ALL that apply.
need for water
need for shelter
energy source
skin covering
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
