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WorksheetsPlanet Earth: Ocean Deep
Total questions: 25
Worksheet time: 13mins
I am the largest fish in the ocean, weighing in at 3 tons. What am I?
whale shark
great white shark
oceanic white tip shark
spotted manta ray
What producers are the basis of the food chain in the ocean?
zooplankton
marine snow
plankton
algae
I have a strong sense of taste and patrol the ocean for food. What am I?
whale shark
great white shark
oceanic white tip shark
spotted manta ray
For many marine organisms, food is scarce. Why do they have different adaptations to help the hunt and gather food?
to decrease competition with other organisms
to increase their population's genetic diversity
to conserve their body's energy
to find a better, more suitable mate
How do dolphins find and capture their food in the open ocean?
they use their night vision to locate and trap prey
they work with sharks to force schools of fish into groups
they herd fish into shallow water hydroplane along the shore's edge
they travel in large groups and herd fish to the surface
I can dive up to 20 meters in the ocean to catch fish. What am I?
Open sea pigeon
Cory's shearwater
Giant sea gull
Swimming gull
Which of the following is an adaptation that allows me to gather food?
camouflage
projections around my mouth
a long, spiked tail with venom
several rows of sharp teeth
As you travel from the shallow seas to the deep ocean, which of the following occurs?
temperature increases
temperature decreases
pressure increases
pressure decreases
At what depth does the aphotic zone begin?
50 meters
250 meters
500 meters
1,000 meters
Plankton isn't present in the aphotic zone, so what supports the food chains here?
algae
zooplankton
marine bacteria
marine snow, or detritus
I have feathered legs that help me to capture food and prevent me from sinking. What am I?
ocean tarantula
gliding arachnid
marine centipede
sea spider
I move by flapping my fins instead of using jet propulsion. What am I?
glowing octopus
swimming jellyfish
vampire squid
dumbo octopus
I glow when pursued by a predator with the help of bacteria. What am I?
glowing octopus
umbrella squid
venomous octopus
vampire squid
At the ocean floor, you experience ______ times the pressure you do at the surface.
50
500
300
1,000
I can cleverly blend in with the sand around me, and lure prey with the appendage on my head. What am I?
monkfish
sand stingray
flat anglerfish
sea urchin
Which of the following is NOT considered a scavenger of the ocean floor?
eel
crab
isopods
shrimp
What important role do scavengers play in the ocean?
They eat extra plankton that other organisms are unable to consume
They breakdown dead matter that has sunk from the surface
They utilize bioluminescence to find rare food sources
They dig holes to bury dead matter that is inedible for other organisms
I grow faster than any other marine invertebrate, growing up to 3 meters. What am I?
flatworm
sea kelp
tubeworm
parasitic anemone
What adaptation does a nautilus have that allows it to control its depth in the ocean?
sensitive tentacles
flotation chambers
large fins
flexible tail
Which of the following correctly describes the relationship between the mola mola and the butterfly fish?
parasitism
mutualism
commensalism
predation
Why would its light body weight be an advantage for the frigate bird?
It is able to soar over water for weeks without using a lot of energy.
It is able to quickly escape from predators.
It is able to herd with other frigate birds and decrease competition.
It is able to find small islands suitable for mating and nesting.
I grow up to 3 meters long and can change color when communicating with other members of my species. What am I?
swordfish
sharp-billed eel
silver hunting fish
sailfish
How many krill can a blue whale consume in one day?
4 million
20 million
200,000
1 million
How much of the blue whale population still exists?
50%
80%
20%
3%
David Attenborough finishes the episode by saying "We can ____________ or we can ____________--the choice is ours."
destroy; cherish
build; tear down
learn; wait
change; harm
