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WorksheetsEcosystem Unit Test
Total questions: 38
Worksheet time: 20mins
Which organisms feed on the remains of dead plants and animals?
omnivores
herbivores
decomposers
carnivores
Organisms that use energy from the sun to make their own food are called
carnivores
consumers
omnivores
producers
In a food chain, the organism pictured is considered a(n)
autotroph
consumer
herbivore
decomposer
What type of organism would recycle a dead tree in the forest?
decomposer
omnivore
herbivore
scavenger
Beginning with the producer, which represents the correct order in a typical food chain?
producer
grass-rabbit-fox-mountain lion
mountain lion-fox-rabbit-grass
grass-fox-rabbit-mountain lion
How do some animals, such as bears, deal with seasonal changes in the environment that result in cold temperatures and little food?
They hibernate.
They become extinct.
They are camouflaged.
They leave and find another home.
If an animal lives in an ecosystem that changes slowly over many years, how will it most likely respond to the change?
It will adapt.
It will hibernate.
It will become extinct.
It will leave the area.
What organism is the producer?
Arthropds
Birds
Fungi
Plants
A mouse eats acorns and seeds on the ground. Then, a hawk eats the mouse. What is the hawk's role in this food chain?
producer
consumer
predator
prey
The hairy rattleweed is a plant that grows in open pine woods in Georgia. Many of these woods have been cut down. How does this change in the environment MOST LIKELY affect the hairy rattleweed?
The number of plants will decrease.
The number of plants will increase.
The number of plants will remain the same.
The number of plants will first increase, then decrease.
Many different trees and shrubs live in the Blue Ridge Mountains. This woody habitat supports many types of animals. One species, the black bear, lives in the Blue Ridge Mountains. What effect would logging MOST LIKELY have on the black bear?
The black bear would become extinct.
The black bear would most likely become a predator of other animals.
The black bear would most likely move away in search of food and shelter.
The black bear would adapt to the changes in its habitat and the numbers would stay about the same.
The red-cockaded woodpecker is found in the pine forests of Georgia. It eats insects found in the barks of the pine trees and nests in the trees. How will a reduction in the number of pine trees MOST LIKELY affect the red-cockaded woodpecker?
It will decrease in number.
It will adapt to a new habitat.
It will build nests in other trees.
It will hide better from animals that eat it.
How do the elephants help to maintain the population of birds that you can see perched on their backs in the picture above?
The elephants supply a place for the birds to nest and reproduce.
The elephants supply a much needed food source by allowing the birds to eat bugs off their backs.
The elephants provide diversity in ecosystems by carrying the birds long distances as they travel in herds.
The elephants provide a fresh water supply by carrying the birds back and forth from their local watering hole.
A lion would be considered a
competitor
offspring
predator
prey
A food chain is a circle. The transfer of energy moves from plant to animals to decomposer and back to plant. What supplies the energy the plants need?
animals
sun
water
wind
We eat food for energy. The energy for any food chain begins with the sun and sunlight. Name an organism that is a producer that converts sunlight into chemical energy or sugar.
Plants
Consumers
Decomposers
Consumers.
Plants make their own food using energy from the Sun, carbon dioxide from the air, and
water from the soil.
oxygen from the air.
the soil it grows in.
fertilizer from the store.
Consider this energy pyramid. Energy moves up through the rows of the pyramid, starting with the grass at the bottom. Where does the grass get energy from?
the Sun
the air
the Earth
the water
Unlike animals, plants use energy right from the Sun. What do plants make using the energy from the Sun?
flowers
food
leaves
water
Which of these scenarios will upset the stability of the local ecosystem the MOST?
A tree is cut down to be used for firewood.
A hiking trail is cleared through the state park in your area.
A person decides to build their small home in the middle of a forest.
A local factory clears land to build and blocks the flow of the only river in the area..
Decomposers such as fungi, insects, and molds get their energy from __________.
Water
Decaying plants and animals
Fertilizer
All of the above
Which of the following statements about producers is CORRECT?
they make their own food
they eat other organisms
they make things other than food
they obtain food by breaking down the remains of other living things
How does an increase in the number of people on Earth negatively affect the environment?
more water is used causing draughts and affecting habitats
more fossil fuels are burned
habitats are destroyed because more space is needed
All of the above
Loggers remove a large portion of forest. Which of the following would NOT be considered a harmful effect this would have on the habitat of a squirrel?
the squirrel would have fewer places to use as shelter
the squirrel would have more space to move around
the squirrel would face more exposure to predators
the squirrel would have less resources to use as food
A student wants to build a model of a grasslands food chain that includes a frog, grasshopper, snake, and grass. Which organism belongs in this food chain immediately after the Sun?
Grass
Frog
Snake
Mosquito
The living and nonliving things in an environment or area.
ecosystem
food web
abiotic
Choose the producer
apple tree
mushroom
deer
Choose the decomposer
apple tree
mushroom
deer
Choose the consumer
apple tree
mushroom
deer
Could the following factor lead to extinction?
Destruction of animals' habitat
yes
no
Mice and grasshoppers are examples of prey.
True
False
No longer existing as a species
ecosystem
population
extinct
habitat
all the members of ONE species that live within an area of an ecosystem
habitat
extinct
population
fossil
