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WorksheetsEcosystems: End of Unit Review
Total questions: 25
Worksheet time: 14mins
What is an ecosystem?
a model that shows how to conserve resources
a living thing that interacts with other organisms
a place where living and nonliving things interact
the process used by living things to survive
An example of a lentic system found in PA is...
ocean
river
stream
lake
A stream is considered a lotic ecosystem because...
the water moves in one direction.
the water collects a lot of algae.
the water is still.
the water is polluted.
A cornfield ecosystem might include which abiotic item?
corn
puddles
mice
clover
Limestone is mined at Vulcan Quarry. Eventually, what will happen to the mine?
The company will be able to remove limestone forever.
The mine will go out of business because there won't be a market for cement.
The workers will replant limestone and help it grow.
All the limestone will have been removed from the site.
P.H. Glatfelter Paper Company has been able and can continue to make paper because...
the owners are quite wealthy.
new trees are grown to supply the raw material needed to make paper.
there are a large number of paper farms in PA.
trees are a nonrenewable resource.
Which item would NOT be found in a PA forest habitat?
white tailed deer
rattle snake
iguana
hemlock tree
Cattails living in a marsh get energy to survive from...
the sun.
the water in the marsh.
dragonflies landing on them.
the mucky soil on the bottom of the marsh.
A black bear living in the forest gets energy to survive by...
napping in the sun.
hibernating during cold months.
eating fish and berries.
gathering seeds on its fur.
Jake buys a fish and aquarium from a pet store. Which of the following would NOT be necessary for the fish to survive?
water
oxygen
rocks
food
Which is the correct order of a food chain?
sun, deer, fern, wolf
water lily, trout, sun, black bear
mouse, eagle, wheat, sun
sun, clover, rabbit, hawk
In a food chain, which organism is the producer?
algae
brook trout
heron
rock
An animal that is an omnivore might eat...
insects, rodents, and pebbles
seeds, berries, and fish
grass and leaves
fish and small mammals
An important part of an ecosystem are decomposers because...
they break down plant and animal matter and return nutrients to the soil.
they provide habitats for other animals.
they prevent the soil from eroding.
they give plants energy.
A corn snake eats a chipmunk. The chipmunk is the...
decomposer
carnivore
predator
prey
During photosynthesis, which items are made?
light and water
carbon dioxide and food
food and oxygen
water and food
During the oxygen-carbon dioxide cycle, plants provide animals with...
carbon dioxide
oxygen
water
nitrogen
Honeybees help apple trees reproduce by...
building hives inside of trees.
carrying apple seeds away from the parent tree.
eating the apples.
carrying pollen grains from one apple flower to another.
Which adaptation helps a hummingbird survive?
It has camouflage to hide from predators.
It makes shrill sounds to attract mates.
It has a long beak to sip nectar from flowers.
It has long claws to attach its predators.
An insect called the walking stick lives on the forest floor and looks like a twig. Which is the most likely explanation for the walking stick's physical appearance?
Its appearance hides it from predators.
Its appearance allows it to run faster.
Its appearance keeps it warm.
Its appearance keeps it dry.
Identify nonrenewable resources found in PA.
oil
trees
coal
natural gas
How can we conserve nonrenewable resources?
keep temperature in house cooler in winter
keep temperature in house warmer in summer
turn off lights when you are not in the room
walk and ride your bike more than you take your car
waste our fossil fuels so that they run out faster
Identify an interaction between a plan and animal OR a living and a nonliving thing that allows the living thing to continue living.
plants give animals oxygen
trees provide homes for birds
a pond provides water for deer
a bee pollinates flowering plants
rocks provide shelter for crayfish
What living thing could be affected by a housing development being build on farm land.
white tailed deer
mice
puddles
squirrels
When a living thing's environment has been changed (for example by the building of a shopping center on what was once farmland), what could the living things there choose to do?
flee to another ecosystem
buy a camper for protection
adapt and live in the nearby surroundings of that same ecosystem
fail to meet its basic needs; therefore members of its species begin to die due to the destruction of their habitat
