#1
Which marine animal is known for its ability to regenerate lost body parts?
Dolphin
Octopus
Starfish
Shark
#2
What is the primary purpose of a sea turtle's shell?
Protection from predators
Buoyancy control
Temperature regulation
Oxygen storage
#3
What is the primary adaptation that allows water spiders to live underwater?
Gills for breathing
Wings for gliding
Bioluminescence
Camouflage coloring
#4
Which marine mammal is known for its exceptional ability to hold its breath and dive deep?
Manatee
Beluga whale
Elephant seal
Sea otter
#5
How do polar bears adapt to their aquatic environment?
Webbed feet for swimming
Blubber for insulation
Gills for breathing
Camouflage coloring
#6
What is the primary purpose of a fish's swim bladder?
To help with buoyancy and control depth
To aid in digestion
To regulate body temperature
To produce sounds for communication
#7
Which adaptation allows some aquatic insects to 'skate' on the water's surface tension?
Hydrodynamic body shape
Air-filled spaces on their body
Bioluminescence
Camouflage coloring
#8
Which adaptation allows certain fish to produce light in the deep sea?
Camouflage coloring
Bioluminescence
Ability to generate electric shocks
Wings for gliding
#9
How do mudskippers adapt to both land and water environments?
Ability to fly
Lungs for breathing air
Webbed feet for swimming
Pectoral fins for walking on land
#10
Which aquatic reptile has specialized salt glands to excrete excess salt from its body?
Crocodile
Sea snake
Saltwater crocodile
Marine iguana
#11
How do barnacles attach themselves to underwater surfaces?
Suction cups
Adhesive secretion
Hooks and spines
Burrowing
#12
What is the unique adaptation of the electric eel?
Bioluminescence
Ability to generate electric shocks
Mimicry
Shell-like protective covering
#13
Which aquatic mammal is capable of echolocation for navigation and hunting?
Manatee
Whale shark
Dugong
Dolphin
#14
What is the purpose of a narwhal's long tusk?
Defense against predators
Enhanced sense of smell
Communication
Capture of prey
#15
Which marine creature possesses ink sacs for defense?
Cuttlefish
Blue whale
Seahorse
Sea cucumber
#16
Which adaptation allows water bears (tardigrades) to survive extreme conditions?
Camouflage coloring
Cryptobiosis
Bioluminescence
Ability to generate electric shocks
#17
What is the purpose of the lateral line system in fish?
Detecting changes in water pressure
Filtering food particles
Regulating body temperature
Producing bioluminescence