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WorksheetsMarine Ecosystems
Total questions: 27
Worksheet time: 20mins
Why would benthic (bottom dwelling) organisms be colored red?
to been seen more easily by a mate
to absorb light energy
to have a bad taste, discouraging predators
to be camouflaged in the deep ocean
Which of the following are considered abiotic factors that affect marine environments?
predation
competition
salinity
parasitism
Oyster beds have a major ecological role in salt marshes. What is it?
flood control
bacteria collection
cutting tourist feet
filtering water
What is an adaptation most useful to a sandy beach animal?
attachment
floating
burrowing
camouflage
Why is it important to preserve sea oat plantings on sand dunes?
they provide consumable seeds
leaves are a habitat for small animals
they regulate the sand temperature
roots stabilize the soil
Where would you find a coral reef?
shallow tropical regions
shallow temperate zones
shallow polar regions
all of these
Why are zooanthellae important?
they prey on zooplankton
they provide food and oxygen for corals
they erode nutrients for algae use
they contain digestive enzymes
Penguins live in the _____________.
Arctic
Antarctic
Polar bears live in the _____________.
Arctic
Antarctic
Reindeer live in the _____________.
Arctic
Antarctic
True or False? Deep ocean thermal vents release sulfur, calcium, and carbon dioxide.
True
False
True or False? Deep ocean thermal vents are located in the photic zone of the ocean.
True
False
Where would you find a kelp forest?
along cold current coastlines
embedded in an estuary
in the tropical ocean zones
along eastern continental shelves
How does a sea otter help the giant kelp forests?
by removing competing seaweeds
by feeding on carnivorous fish
by feeding on sea urchins
by dispersing kelp spores
True or false? Salt marsh plants are important as a directly consumed food source.
True
False
Why are mangroves important to their ecosystem?
they serve as nurseries
all of these
they absorb wave energy
roots help prevent erosion
What is important about mangrove roots?
they stabilize the plant in mud
they provide stilts to clowns
they stablize the plant on the rocky shore
they provide recreational opportunities for iguanas
Which marine ecosystem am I? I have strong wave action, and my organisms are adapted to both wet and dry conditions.
coral reef
mangrove forest
rocky shore
salt marsh
Vertical zonation on rocky shores is mostly the result of differences in tolerance to which factor?
wave action
exposure
predation
salinity
Where does the majority of oxygen that we breathe come from?
phytoplankton
animals
factories
rainforests
Let's talk polar...LAND covered with ice is the ....
arctic
antarctic
Let's talk polar...OCEAN covered with ice is the ....
arctic
antarctic
What is the primary source of excess atmospheric carbon dioxide?
plants/ photosynthesis
combustion of fossil fuels
decomposition
respiration
An increase in excess oceanic carbon dioxide causes ocean acidification and a decrease in .....
calcium carbonate
methane
carbonic acid
antacid
If you were an open ocean organism, which of these adaptations would help you to survive?
floating with the current
all of these
ability to swim long distances
having countershading
coloration
True or False? Kelp is a plant.
True
False
In which marine ecosystem would you be most likely to find chemosynthetic organisms?
deep ocean
mangrove forests
coral reefs
rocky shores
