WorksheetsOceans and Critters
Total questions: 38
Worksheet time: 20mins
Most photosynthesis in the open ocean occurs in which zone?
Haldalpelagic
Midnight Zone
Mesopelagic
epipelagic
What is the nickname for the hadalpelagic zone?
trenches
photic zone
twilight zone
midnight zone
What is the nickname for the bathypelagic zone?
twilight zone
midnight zone
epipelagic
this is not a real zone
Choose all correct matches for ocean zone name and nickname
epipelagic- midnight
epipelagic- sunlight or euphotic
mesopelagic- twilight zone
bathypelagic- trenches
What distinguishing characteristics do organisms living in the mesopelagic zone have? Choose all correct answers.
vertical migration
large sensitive eyes
countershading
bioluminescence
What distinguishing characteristics do organisms have that live in abyssopelagic zone?
translucent or red in color
small eyes or blind
adapted to cold temperatures
undergo photosynthesis
Which choice correctly orders the zones of the oceanic pelagic system in order from most shallow to deepest ocean?
abyssopelagic, hadalpelagic, epipelagic, bathypelagic, mesopelagic
epipelagic, mesopelagic, bathypelagic, abyssopelagic, hadalpelagic
hadalpelagic, abyssopelagic, bathypelagic, mesopelagic, epipelagic
bathypelagic, epipelagic, mesopelagic, abyssopelagic, hadalpelagic
Sharks have what kind of skeleton?
bony
mixture of bones and cartilage
cartilaginous
chitin
Is it true that all species of sharks need to stay in motion in order to breathe?
yes
no
How many rows of teeth do sharks have?
multiple rows
one row
1/2 row at a time
the entire interior of their mouths are covered with teeth...
Are shark teeth attached to their jaw?
yes
no
Which of the following are ways you can fend off a shark attack?
put your arm in his mouth and when he bites you, he'll realize you're not his usual prey and you've only lost an arm instead of your entire body.
hit him in sensitive areas like eyes and gills
show him you're not defenseless
swim as fast as you can to try and get away
How can you avoid a shark attack?
avoid the water during twilight hours and at night
do not go in the water if you're bleeding
do not wear shiny jewelry
all of these are good ways to avoid a shark attack
Can all turtles retract their head?
yes
no
How have turtles adapted to life in salt water?
flippers
they have to spend long periods of time out of water to keep the salt concentration balanced
lacrimal glands
They eat food that's not too salty
Which of the following accurately describe the meaning of 'natal beach'?
The beach on which a turtle was born
The beach on which a turtle lays her eggs
the beach on which a turtle both was born and lays her eggs
the beach where every turtle lays eggs
How is the sex of a hatchling (baby turtle) determined before hatching?
time of year
which hemisphere they're born in
50/50 chance
temperature
What does the acronym TED mean?
Turtle Entertainment Device
Turtle Entrapment Device
Turtle Excluder Device
Tornado Event Detector
How is the sex of an adult sea turtle determined?
by the color of their eyes
isn't it obvious? Don't make me say it...
Length of their front flippers
Length of tail
Decide if the characteristic listed here belongs to a seal or sea lion: ear flaps
seal
sea lion
Decide if the characteristic listed here belongs to a seal or sea lion: rotating hips
seal
sea lion
Decide if the characteristic listed here belongs to a seal or sea lion: short robust neck
seal
sea lion
Decide if the characteristic listed here belongs to a seal or sea lion: no fur or claws on flippers
seal
seal lion
Do all marine mammals possess blubber?
yes
no
How are Cetaceans (whales, dolphins, porpoises) grouped?
the size of their fins
If they're mammals or not
their skull
their mouth structures
Are all marine mammals carnivores?
yes
no
Which marine mammal does not have blubber?
Sperm whale
Manatee
Elephant seal
Giant sea otter
Are all 5 manatee populations still alive today?
nope
yes
Does the deep sea often have primary production?
No because there's too much sunlight
No, because there's not any sunlight
No because there's not oxygen
No, because primates can't live that deep under water
Which is true about organisms that live in the deep sea
They are almost always much larger than organisms that live closer to the surface
They are usually smaller than organisms that live closer to the surface
They have more eyes than organisms that live where there's lots of light
They are exactly the same as organisms that live in shallower regions of the ocean
Where is chemosynthetic bacteria found?
in the abyssopelagic zone
at the surface of the ocean
near hydrothermal vents
not in the ocean
In what zone are the trenches, the deepest depths of the ocean, found?
abyssopelagic
bathypelagic
mesopelagic
hadalpelagic
epipelagic
How many successful manned trips have there been to the deepest ocean trench?
1
2
3
4
Why are organisms in the abyssopelagic zone often red in color?
to hide from revealing the blue light of bioluminescence
attract mates
warn predators
Which of the following is not an adaptation that benefits an animal living in the coral reef?
brightly colored
Sessile (immobile) animals have toxins...think anemone
laterally compressed bodies
streamlined bodies
At what temperature does coral bleaching occur?
below 4 °F
when the average temp is around
60 °F
When the average water temperature is above 86 °F
When the temperature fluctuates a lot
Coral is
an animal
a plant
some kind of bug
bacteria
What is not a threat to the coral reef ecosystem?
Rising ocean temperature
tourism
overfishing
all of these are a threat
