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WorksheetsEcosystems TCAP Review
Total questions: 32
Worksheet time: 16mins
Which nonliving thing does a shark depend on to survive in the ecosystem?
fish
algae
water
plankton
An oak tree species in a forest ecosystem has become extinct due to a fungus that has weakened and killed the last generation of trees.
What will happen to the beetle population that use the oak tree as a habitat?
It will become extinct.
It will decrease.
It will double.
It will triple.
What is an organism's role in an ecosystem called?
habitat
niche
population
community
In which ecosystem can you find an arctic fox and plants with a short growing season?
rain forest
tundra
marine
grassland
Why is a whale's ecosystem the ocean?
The ocean has enough salinity to keep the whale alive.
A whale is an omnivore and needs to eat several different types of foods to survive.
A whale does not have lungs to breathe air on land.
The ocean is where the whale interacts with all of the living and nonliving things in its environment.
An ecosystem ____________________.
gives the specific place where an organism lives
is the total number of species in the environment
includes the living and nonliving things in an environment and their interactions
is a collection of organisms of different species that interact with each other
What includes specific habitats that are suited to the needs of its organisms?
community
population
ecosystem
niche
Krill are eaten by a humpback whale. What would happen to the humpback whale population if the krill population became extinct?
It would decrease.
It would double.
It would triple.
It would become extinct.
Which one is a nonliving part of an ecosystem?
an organism
the climate
plankton
algae
Which one is a nonliving part of an ecosystem?
water
barnacle
seaweed
plankton
Which is a living part of an ecosystem?
grass
rock
water
air
Which ecosystem has prairies, deer, and lions?
rain forest
grassland
estuary
tundra
What originates from the sun and flows through all parts of an ecosystem through food webs?
matter
niche
energy
water
Which ecosystem includes whales, sharks, seaweed, and plankton?
estuary
ocean
rain forest
river
How do a rabbit and a deer interact in an ecosystem?
The deer eats the rabbit.
The rabbit eats the deer.
They compete for ants for food.
They compete for grass for food.
A cardinal bird changes its environment by ____________.
having the brown colored males fight for territory
turning different colors to hide from predators
flying high in the sky
making a next out of grasses, twigs, and leaves in a tree
Which is a living part of an ecosystem?
air
rock
soil
mushroom
What is a niche?
an organism's role
a place where an organism lives
the total number of the same organism
a collection of organisms of different species that interact with each other
Which one is a nonliving part of an ecosystem?
mold
leaf
root
soil
Which ecosystem includes lizards, snakes, spiders, and cacti?
deciduous forest
rain forest
desert
estuary
What is biodiversity?
A group of living and nonliving factors that interact in the same area
The variety of life found in an area
The place where an organism lives
The number of organisms in a species that live and reproduce in an area
How do the burrowing activities of prairie dogs change the environment?
They turn soil into sand.
They increase the amount of air and water that can flow through the soil.
They decrease the amount of air and water that can flow through the soil.
They make the ground more solid.
What human activity will cause short-term changes in a deciduous forest ecosystem?
clearing a path for hiking
swimming
canoeing
bird watching
A _______________ hibernates for the winter.
squirrel
rabbit
deer
bear
Which one is an example of a harmful change to the organisms in an ecosystem?
acid rain
nutrient cycling
seed dispersal
protection from the Sun
Which natural disaster causes short-term changes and damage to an ecosystem?
climate
hurricane
frost
low tide
A ___________ is a natural disaster that is a large ocean wave caused by an underwater earthquake or volcanic eruption and it damages land ecosystems.
tornado
hurricane
tsunami
water spount
Which one is an example of a harmful change to an ecosystem?
reduce erosion
pollution
nutrient cycling
seed dispersal
Why is it important to not pour oil, paint, or other chemicals into a storm drain?
They stay in the drain for a long time.
They do not mix very well with fresh or salt water.
They will travel with storm water into river ecosystems.
They smell really bad in the drain.
Which change to an ecosystem happens over a few years or less?
sedimentary rock forms
climate becomes cooler
climate becomes warmer
drought
How does a squirrel adapt to the seasonal change from fall to winter?
It hibernates in the winter.
It begins to breathe carbon dioxide instead of oxygen in the fall.
It gathers and stores acorns for the winter.
It reproduces offspring in the fall.
Which one is an example of a helpful change to the organisms in an ecosystem?
acid rain
oil spill
extinction
nutrient cycling
