Ocean Creatures
What is the largest animal in the ocean?
A) Great White Shark B) Blue Whale C) Giant Squid D) Orca
B) Blue Whale
Why do camels have humps?
A) To store water B) To store fat C) To keep balance D) To stay cool
B) To store fat
What is the basic building block of all living things?
A) Molecule B) Cell C) Tissue D) Atom
B) Cell
What is plankton?
A) Tiny floating organisms B) Small fish C) Seaweed D) Coral
A) Tiny floating organisms
Which animal can regrow lost limbs?
A) Frog B) Starfish C) Crab D) Salamander
B) Starfish
Which ocean animal has eight arms?
A) Squid B) Crab C) Octopus D) Starfish
C) Octopus
What do polar bears have under their fur to stay warm?
A) Feathers B) Scales C) Black skin and fat D) Ice crystals
C) Black skin and fat
Which part of the cell controls its activities?
A) Cell Wall B) Cytoplasm C) Nucleus D) Membrane
C) Nucleus
What do coral reefs need to survive?
A) Sunlight B) Ice C) Freshwater D) Deep darkness
A) Sunlight
What’s the only mammal that can fly?
A) Bat B) Flying Squirrel C) Bird D) Sugar Glider
A) Bat
Which fish can puff up to scare predators?
A) Pufferfish B) Anglerfish C) Clownfish D) Lionfish
A) Pufferfish
Why do birds migrate?
A) For fun B) To find food and warmth C) To escape predators D) To travel
B) To find food and warmth
Which part of the plant cell does photosynthesis?
A) Vacuole B) Chloroplast C) Mitochondria D) Nucleus
B) Chloroplast
What zone has the most sunlight in the ocean?
A) Twilight B) Midnight C) Sunlight D) Abyssal
C) Sunlight
Which animal lays eggs but is still a mammal?
A) Dolphin B) Kangaroo C) Platypus D) Echidna
C) Platypus
Which of these ocean animals is a mammal?
A) Orca B) Shark C) Sea Turtle D) Swordfish
A) Orca
Which desert animal can go its entire life without drinking liquid water?
A) Camel B) Kangaroo Rat C) Fennec Fox D) Scorpion
B) Kangaroo Rat
The mitochondria’s main function is to:
A) Store energy B) Produce energy C) Absorb sunlight D) Build proteins
B) Produce energy
Which ocean zone has no light?
A) Twilight B) Midnight C) Surface D) Coral
B) Midnight
What animal can squirt blood from its eyes to defend itself?
A) Horned Lizard B) Bearded Dragon C) Gecko D) Frilled Lizard
A) Horned Lizard
What do whales use to locate prey and navigate?
A) Echolocation B) Sonar C) Radar D) Subsonic hearing
A) Echolocation
What sense do bats primarily use to locate prey in darkness?
A) Hearing B) Echolocation C) Ultrasound detection D) Infrared sensing
B) Echolocation
Which of the following best distinguishes plant cells from animal cells?
A) Plant cells have chloroplasts B) Plant cells have cell walls C) Plant cells have both A and B D) Plant cells have mitochondria
C) Both A and B
What poses the greatest overall threat to coral reefs?
A) Plastic waste B) Ocean acidification and warming C) Overfishing D) Tourism damage
B) Ocean acidification and warming
Which insect makes the longest migration known in the animal kingdom?
A) Painted Lady Butterfly B) Monarch Butterfly C) Locust D) Dragonfly
B) Monarch Butterfly
What color are healthy corals usually found to be?
A) Brightly colored B) White C) Brownish-gray D) Deep red
A) Brightly colored
Why do chameleons change color?
A) To match their surroundings only B) To communicate and regulate body temperature C) To mimic predators D) To signal danger to others
B) To communicate and regulate body temperature
What is found inside a cell’s nucleus?
A) DNA B) Ribosomes C) RNA D) Mitochondria
A) DNA
What type of relationship exists between clownfish and sea anemones?
A) Parasitic (one harms, one benefits) B) Commensal (one benefits, other unaffected) C) Mutualistic (both benefit) D) Competitive
C) Mutualistic
What’s the fastest animal on land?
A) Cheetah B) Pronghorn C) Lion D) Ostrich
A) Cheetah
Which of the following can change color to camouflage and communicate?
A) Cuttlefish B) Squid C) Octopus D) All of the above
D) All of the above
Which of the following structures helps fish extract oxygen from water?
A) Gills B) Blowhole C) Spiracle D) Gill slits only
A) Gills
Which of these best describes cytoplasm?
A) The gel-like fluid that fills the cell B) The thin outer boundary of the cell C) The structure that stores nutrients D) The site where DNA is found
A) The gel-like fluid that fills the cell
Which of these is a producer in the ocean’s food chain?
A) Phytoplankton B) Krill C) Zooplankton D) Algae-eating fish
A) Phytoplankton
Which of these creatures actually has three hearts?
A) Whale B) Squid C) Clown Fish D) All of the above
B) Squid
Name one difference between a dolphin and a fish.
Dolphins breathe air and give birth to live young; fish use gills and lay eggs.
Describe one way animals survive in extreme cold.
Thick fur, layers of fat, or hibernation to conserve energy.
What part of the cell is responsible for packaging and shipping proteins?
Golgi Apparatus
What type of symbiosis occurs when one species benefits and the other is harmed?
Parasitism
Describe one unique animal defense mechanism.
Skunks spray odor; pufferfish inflate; cuttlefish camouflage; opossums play dead.
Why do deep-sea creatures often glow in the dark?
To attract prey, communicate, or camouflage using bioluminescence.
How do desert plants help animals survive?
Provide shade, store water, and create shelter or food sources.
What process allows plants to turn sunlight into food?
Photosynthesis
What ocean current helps regulate the Earth’s climate by transporting warm water from the Gulf of Mexico to Europe?
Gulf Stream
Why might a slow animal still survive in the wild?
Camouflage, armor, or toxins can help protect it from predators.
Describe how coral reefs are formed.
Tiny coral polyps build limestone skeletons that stack over time, forming large reef structures.
What adaptation allows penguins to stay waterproof in icy waters?
A layer of oil produced by a gland near their tail that coats their feathers
What molecule carries genetic instructions inside all living cells?
DNA (Deoxyribonucleic Acid)
Describe how humans can protect ocean ecosystems.
Reduce pollution, avoid overfishing, and protect coral and coastal habitats.
What animal has the most powerful bite force in the animal kingdom?
Saltwater Crocodile