sea life Flashcards
What is the largest mammal in the ocean?
The blue whale.
True or False: Sea turtles are reptiles.
True.
Fill in the blank: The process by which fish breathe is called ______.
respiration.
What is the primary diet of most dolphins?
Fish and squid.
Multiple choice: Which of the following is a type of coral? A) Rose B) Brain C) Oak
B) Brain.
What is the term for a group of fish swimming together?
School.
True or False: All sharks are dangerous to humans.
False.
What organ do fish use to detect vibrations in the water?
Lateral line.
Fill in the blank: The ______ is a symbiotic relationship between clownfish and anemones.
mutualism.
What is the main function of gills in fish?
To extract oxygen from water.
Multiple choice: Which of the following is NOT a marine mammal? A) Seal B) Shark C) Dolphin
B) Shark.
What type of habitat do seahorses prefer?
Shallow coastal waters with vegetation.
True or False: Jellyfish have a brain.
False.
What is the primary source of energy for most marine ecosystems?
The sun (photosynthesis).
Fill in the blank: The ______ is the ocean zone where light can penetrate.
photic zone.
What is the role of plankton in the ocean ecosystem?
They serve as a primary food source for many marine organisms.
Multiple choice: Which of the following is a filter feeder? A) Starfish B) Whale shark C) Octopus
B) Whale shark.
What adaptation helps deep-sea fish survive in high pressure?
Flexible bodies and special proteins.
True or False: Sea urchins have a hard outer shell.
True.
What do marine biologists study?
Marine organisms and their ecosystems.
Fill in the blank: The ______ is the ocean zone where no light penetrates.
aphotic zone.
What is the main threat to coral reefs?
Climate change and ocean acidification.
Multiple choice: Which animal is known for its ability to change color? A) Octopus B) Shark C) Whale
A) Octopus.
What is the primary function of the swim bladder in fish?
To regulate buoyancy.
