Take A Dive Into This Amazing Sea Creatures Quiz!

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Sea Creatures Quiz Questions

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Question 1

Which of the following is a defining characteristic of all invertebrates?

  • A
    They have no backbone
  • B
    They are warm blooded
  • C
    They are symmetrical
  • D
    They are herbivores

Question 2

This massive sea creature can measure up to 40 feet long or more. What is the name of this massive creature of the deep that has the largest eye known in the animal kingdom?

  • A
    Cuttlefish
  • B
    Dumbo Octopus
  • C
    Bioluminescent Octopus
  • D
    Giant Squid

Question 3

Nearly all amphibians undergo a significant change from infancy to adulthood. What is the name of this change?

  • A
    Metamorphosis
  • B
    Puberty
  • C
    Osmosis
  • D
    Mitosis

Question 4

The male of one type of fish is the only known creature where the male is the one to become pregnant. What fish is this?

  • A
    Halibut
  • B
    Swordfish
  • C
    Wolf eel
  • D
    Seahorse

Question 5

This deep sea creature contains features of both octopuses and squids, suggesting that it may be a part of an ancestral line between the two types of creatures. What is the name of this reddish-brown skinned creature?

  • A
    Blue-Ringed Octopus
  • B
    The Dumbo Octopus
  • C
    Sea Angel
  • D
    Vampire Squid

Question 6

Which crustacean is known to make its home within the discarded shells of other animals?

  • A
    Softshell crab
  • B
    Hermit crab
  • C
    Crawfish
  • D
    Spider crab

Question 7

Which of the following fish is caught by humans who stick their hands/arms into holes and pull the fish out after the fish bites their hand?

  • A
    Catfish
  • B
    Largemouth Bass
  • C
    Steelhead
  • D
    Rainbow trout

Question 8

Coral reefs are made up of invertebrate animals known as coral polyps. These are actually transparent animals related to jellyfish. Where do corals reefs get their color?

  • A
    The algae they feed on
  • B
    Fish scales
  • C
    Fish droppings
  • D
    The rocks underneath

Question 9

How are tree frogs able to climb trees?

  • A
    Sticky mucus on their feet
  • B
    Extreme gripping strength
  • C
    Small claws
  • D
    Molecular bonds

Question 10

What is the name of the colorful small snail that is pink and orange with black circles?

  • A
    Common Periwinkle
  • B
    Garden Snail
  • C
    Christmas Tree Worm
  • D
    Flamingo Tongue Snail

Question 11

Closely related to the seahorse, what is the name of the creature that has many plant-like appendages over its entire body that help with camouflage?

  • A
    Clown Fish
  • B
    Flamingo Tongue Snail
  • C
    Leafy Seadragon
  • D
    Pink See-Through Fantasia

Question 12

Which of the following is NOT a fish commonly known to live in and around coral reefs?

  • A
    Yellow tang
  • B
    Clownfish
  • C
    Piranha
  • D
    Parrotfish

Question 13

How do most amphibians reproduce?

  • A
    By self cloning
  • B
    By live birth
  • C
    By laying eggs
  • D
    By spreading spores

Question 14

This deep sea animal looks like a plant, but is actually an animal. What is the name of this creature that waits for food to drift into its outstretched poisonous tentacles which then close around the victim until it is digested?

  • A
    Blobfish
  • B
    Flamingo Tongue Snail
  • C
    Venus Flytrap Sea Anemone
  • D
    Christmas Tree Worm

Question 15

Male Darwin frogs are responsible for rearing the young from eggs to tadpoles and through metamorphosis until they are frogs. What is the unique way in which they rear their young?

  • A
    They swallow them
  • B
    They sing to them
  • C
    They constantly spit on them to keep them wet
  • D
    They sit on them

Question 16

Slugs, worms and many other invertebrates are hermaphrodites. What does it mean for an animal to be a hermaphrodite?

  • A
    They eat plants and bugs only
  • B
    They mate year round
  • C
    They move without the use of any limbs
  • D
    They have both male and female organs

Question 17

The animal commonly considered to be the most toxic in the world is an invertebrate killing humans in minutes or less. What is the most toxic animal in the world?

  • A
    The box jellyfish
  • B
    The king cobra
  • C
    The blue ring octopus
  • D
    The cone snail

Question 18

Many fish are able to create light that they use in various ways. What is it that makes them able to generate light in most cases?

  • A
    Bioluminescence
  • B
    Infrared scales
  • C
    Thermal radiation
  • D
    Static electricity

Question 19

Which of the following terms applies to the relationship between a whale and round worms that live in it's gut?

  • A
    Parasitism
  • B
    Commensalism
  • C
    Mutualism
  • D
    Predation

Question 20

What is commonly considered the most poisonous fish in the ocean due to its spines?

  • A
    Great white shark
  • B
    Lionfish
  • C
    Stonefish
  • D
    Pufferfish

Question 21

This long and monstrous deep sea creature has so many teeth, that when its mouth is fully closed, many of its teeth are still fully visible. What is the name of this animal whose snout sticks out well past its mouth?

  • A
    Hammerhead Shark
  • B
    Whale Shark
  • C
    Bottlenose Dolphin
  • D
    Goblin Shark

Question 22

This ocean creature is primarily found around the islands of Hawaii. What is the name of this small creature with a pale yellow translucent body?

  • A
    Christmas Tree Worm
  • B
    Sea Cucumber
  • C
    Flamingo Tongue Snail
  • D
    Golden Lace Nudibranch

Question 23

What is the name of this bottom-dwelling fish that is found primarily around the Galapagos Islands, and uses its fins like legs for walking?

  • A
    Sea Angel
  • B
    Red-lipped Batfish
  • C
    Black Swallower
  • D
    Horseshoe Crab

Question 24

Thought to have gone extinct 65 million years ago, what is the name of the fish that was discovered to be alive in 1935?

  • A
    Coelacanth
  • B
    Sea Bass
  • C
    Vampire Squid
  • D
    Angler Fish

Question 25

What is a group of toads called?

  • A
    School
  • B
    Gaggle
  • C
    Colony
  • D
    Knot

Question 26

Voted world's ugliest animal in 2013, what is the name of the creature with a fat head and large mouth, that is meant to live at depths below 2,000 ft (600 m), but looks very different on the surface?

  • A
    Blobfish
  • B
    Angler Fish
  • C
    Catfish
  • D
    Red-lipped Batfish

Question 27

Which of the following is NOT a defense mechanism of the pufferfish?

  • A
    Pointy spines
  • B
    Short burst of speed
  • C
    Poison
  • D
    Electric shock

Question 28

Which of the following describes an intertidal environment?

  • A
    Sea floor
  • B
    Flood at high tide and exposed at low tide
  • C
    Freshwater meets land.
  • D
    Open ocean

Question 29

What fish, born with eyes on both sides of its head, has one eye migrate to the other side of the head, giving it both eyes on one side of its head?

  • A
    Sardine
  • B
    Flounder
  • C
    Yellow tang
  • D
    Stingray

Question 30

What is the largest bony fish?

  • A
    Ocean sunfish
  • B
    Great white shark
  • C
    Whale shark
  • D
    Barracuda

Question 31

What determines the body temperature of most fish?

  • A
    The temperature of the water
  • B
    The amount and speed of their swimming
  • C
    What they eat
  • D
    Thermoregulation (like humans)

Question 32

What is the name of the endangered fish that can grow to be over 6 feet long, and has a prominent bulge on its forehead?

  • A
    Angler Fish
  • B
    Humphead Wrasse
  • C
    Ocean Sunfish
  • D
    Black Swallower

Question 33

Which invertebrate is known to have a stomach that can exit the body while eating and then reenter the body when feeding is done?

  • A
    Sea Urchin
  • B
    Octopus
  • C
    Starfish
  • D
    Jellyfish

Question 34

What is the primary purpose of a frog croak?

  • A
    To attract insects that they then eat
  • B
    To attract a mate
  • C
    They sing to their young as part of parenting
  • D
    To scare away predators

Question 35

Almost 90% of all amphibian species are part of which order?

  • A
    Caecilians
  • B
    Newts
  • C
    Frogs and Toads
  • D
    Salamanders

Question 36

What is the name of the deep sea fish that has a luminous lure for prey that dangles from its forehead?

  • A
    Vampire Squid
  • B
    Angler Fish
  • C
    Dogfish
  • D
    Black Swallower

Question 37

Fresh water and seawater mix in _____.

  • A
    an estuary
  • B
    the littoral zone
  • C
    the benthic zone
  • D
    the pelagic zone

Question 38

What is the most consumed fish in the United States?

  • A
    Tuna
  • B
    Cod
  • C
    Salmon
  • D
    Trout

Question 39

In the absence of tiger sharks, sea turtles may deplete an area of sea grass. The loss of sea grass leads to the loss of other species that are dependent on the grass. Therefore, tiger shark predation on sea turtles maintains the diversity of the sea grass community. In this context, the tiger sharks are considered _____.

  • A
    prey
  • B
    keystone species
  • C
    commensalists
  • D
    parasites

Question 40

Octopuses can squeeze their bodies into incredibly small spaces, what is the primary limiting factor in determining how small a space they can fit through?

  • A
    Their will power
  • B
    Their beak
  • C
    Their largest suction cup
  • D
    Their brain

Question 41

What is the name of this ocean worm that comes in a variety of bright colors, is largely sedentary, and has two crowns protruding from its tube-shaped body?

  • A
    Bearded Fireworm
  • B
    Peanut Worm
  • C
    Christmas Tree Worm
  • D
    Earthworm

Question 42

Which of these organisms are ultimately responsible for making energy available to the other organisms listed here?

  • A
    Sharks
  • B
    Whales
  • C
    Zooplankton
  • D
    Phytoplankton

Question 43

This creature is one of the smallest and deepest living octopods in the ocean. What is the name of this animal that has a set of ear-like fins?

  • A
    Blue-ringed Octopus
  • B
    Dumbo Octopus
  • C
    Cuttlefish
  • D
    Argonaut

Question 44

The males of one species of fish is a parasite of the females. They will bite onto a female slowly fussing their bodies, joining her blood stream and dissolving all of his internal organs except the testes. What deep sea fish is this?

  • A
    Piranha
  • B
    Carp
  • C
    Anglerfish
  • D
    Haddock

Question 45

In general, which of these biomes produces organic matter (incorporates energy) at the lowest rate?

  • A
    Open oceans
  • B
    Temperate forests
  • C
    Temperate grasslands
  • D
    Estuaries

Question 46

In an aquatic ecosystem, what name is given to the region where photosynthesis can occur?

  • A
    Photic zone
  • B
    Thermocline
  • C
    Benthic zone
  • D
    Pelagic zone (open ocean)

Question 47

Coming in at around 55 pounds and up to 5 feet long, what is the largest known amphibian?

  • A
    The goliath toad
  • B
    The Japanese giant salamander
  • C
    The African toad
  • D
    The deep sea newt

Question 48

Where do amphibians typically lay their eggs?

  • A
    In the water
  • B
    On leaves or plants
  • C
    In nests on land
  • D
    In the sand or dirt

Question 49

What is the main difference between the shark and ray class of fish and all other types of fish?

  • A
    Sharks and rays have multiple layers of teeth
  • B
    Sharks and rays are much more aggressive hunters.
  • C
    Sharks and rays have skeletons that are made of cartilage
  • D
    Sharks and rays have a tall dorsal fin

Question 50

Poison dart frogs often have very brightly colored skin. What do scientists believe is the main purpose of this coloring?

  • A
    For males to attract female mates
  • B
    Camouflage
  • C
    To warn predators they are poisonous
  • D
    To better absorb heat from the sun

Question 51

This long thin creature can puff itself up or shrink itself down. What is the name of this deep sea creature that can open its mouth so wide it can swallow creatures of its own size?

  • A
    Leafy Seadragon
  • B
    Goblin Shark
  • C
    Gulper Eel
  • D
    Frilled Shark

Question 52

Clownfish have developed an immunity to the poisonous tentacles of what sea creature?

  • A
    Box jellyfish
  • B
    Sea anemone
  • C
    Humboldt squid
  • D
    Sea urchin

Question 53

What is the name of the type of crab whose average leg span is 13 feet (4 meters), has an average weight of 40 pounds (16-20 kg), and can live to be 100 years old?

  • A
    Japanese Spider Crab
  • B
    King Crab
  • C
    Blue Crab
  • D
    Fiddler Crab

Question 54

All of the following are arachnids EXCEPT one. Which one is NOT an arachnid?

  • A
    Scorpions
  • B
    Ticks
  • C
    Spiders
  • D
    Crawdads

Question 55

Which of the following facts about jellyfish is true?

  • A
    They have hearts
  • B
    They have a nervous system
  • C
    They have brains
  • D
    They have a respiratory system

Question 56

What is the name of the creature who lives very deep in the ocean and can devour prey twice its length and up to 10 times its mass?

  • A
    Gulper Eel
  • B
    Black Swallower
  • C
    Napoleon Wrasse
  • D
    Coelacanth

Question 57

A unique invertebrate has eyelids that give the eye a "W" shape. What animal is this?

  • A
    Tarantula
  • B
    Tapeworms
  • C
    Humboldt squid
  • D
    Cuttlefish

Question 58

Most amphibians start life in the water as larvae, how do these young amphibians breathe?

  • A
    Through drinking water
  • B
    With Lungs
  • C
    With gills
  • D
    They don't need to breath as larvae

Question 59

Some small land going frogs and salamanders never develop lungs, even after becoming fully developed. How do these amphibians get oxygen?

  • A
    Their stomach
  • B
    With gills
  • C
    Their skin
  • D
    Their feet

Question 60

Pilot fish are often found accompanying sharks. The shark is unaffected by the pilot fish, the pilot fish eats scraps the shark misses. Which of the following terms applies to the relationship between sharks and pilot fish?

  • A
    Predation
  • B
    Mutualism
  • C
    Parasitism
  • D
    Commensalism

Question 61

What invertebrate will eject internal organs through their anus in the direction of predators as a defense mechanism?

  • A
    Banana Slug
  • B
    Giant Millipede
  • C
    Sea Cucumber
  • D
    King Crab

Question 62

Which of the following terms applies to the relationship between cleaner shrimp and the fish they clean?

  • A
    Parasitism
  • B
    Predation
  • C
    Competition
  • D
    Mutualism

Question 63

Electric eels can generate a surprising amount of electrical power when shocking their prey. About how much power can it generate?

  • A
    5 Watts
  • B
    50,000 Watts
  • C
    50 Watts
  • D
    500 Watts

Question 64

Which amphibians are limbless as adults?

  • A
    Caecilians
  • B
    Toads
  • C
    Newts
  • D
    Salamanders

Question 65

Swimming at speeds up to 68 mph what is the fastest fish in the world?

  • A
    Nurse shark
  • B
    Sailfish
  • C
    Marlin
  • D
    Tuna

Question 66

What is the name of this swimming sea slug that has a luminous glow, translucent skin, and wings that are actually its feet?

  • A
    Vampire Squid
  • B
    Gulper Eel
  • C
    Sea Angel
  • D
    Sea Butterfly

Question 67

A sperm whale in the middle of the Atlantic Ocean is in which oceanic zone?

  • A
    estuarine
  • B
    Benthic
  • C
    Pelagic
  • D
    Intertidal

Question 68

The benthic zone of an ocean is _____.

  • A
    where marine water encouters land
  • B
    the deep region of a body of water
  • C
    is the depth to which sunlight penetrates
  • D
    the open ocean

Question 69

In a food chain consisting of phytoplankton, zooplankton, fish, fishermen, sharks, the fishermen are _____.

  • A
    tertiary consumers
  • B
    primary producers
  • C
    primary consumers
  • D
    secondary consumers

Question 70

Different whale species consume krill. With regard to the consumption of krill, which of the following term describes the relationship among these different whale species?

  • A
    Predation
  • B
    Mutualism
  • C
    Commensalism
  • D
    Competition

Question 71

What is the name of this prehistoric-looking shark that spends most of its time in deep waters and can grow up to 7 feet (2 m) in length?

  • A
    Goblin Shark
  • B
    Great White Shark
  • C
    Frilled Shark
  • D
    Black Swallower

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