The Oceans
Is coral a mineral, a plant, or an animal?
What is the largest living species of shark?
The Whale Shark.
What is the largest animal on Earth?
The Blue Whale. They average between 80 to 90 feet as adults.
What deep-sea creature is known for having a bioluminescent lure on its head to attract prey in the darkness?
The Anglerfish.
What are sharks skeletons made out of?
Cartilage.
How many oceans are there on Earth?
There are 5 oceans on planet Earth: the Pacific, Atlantic, Indian, Southern, and Arctic Oceans
Which marine animal can regenerate lost body parts?
Sea Stars.
What marine mammal is known as "The Wolf of the Ocean"?
The Orca, also known as the Killer Whale.
What is the deepest part of the Ocean called?
The Mariana's Trench, also known as Challenger Deep.
What are baby sharks called?
Pups.
What causes waves?
Waves are caused by Wind, primarily.
What is the fastest living fish known to man?
The Sail Fish.
What is the primary physical characteristic to distinguish between seals and sea lions?
Sea Lions have ears called pinnae where Seals simply have ear canal openings.
Which large, deep-sea invertebrate is known for having the biggest eyes of any animal on Earth?
The Colossal (Giant) Squid.
Shark skin is rough, made up of tiny tooth-like scales called denticles, which feels similar to?
Sand paper.
What is the term for the process of water moving from the ocean to the atmosphere?
Evaporation
What is the term used for light created by marine animals?
Bioluminescence.
Which marine mammal has the densest fur of any animal?
The Sea Otter, with nearly one million hairs per square inch.
What is the term for the process of using sound waves to navigate, communicate with, or detect objects underwater?
Sonar
Do Sharks have eyelids?
Yes! But they do not blink! Instead they close them to protect their eyes when biting prey.
How much of Earth's surface is covered by the oceans?
A) About 32%
B) About 45%
C) About 71%
D) About 87%
C) About 71% of the Earth's surface is covered by oceans!
What is the species of the longest-living shark scientists have ever discovered?
The Greenland Shark. One was once found to be over 400 years old!
Which marine mammal uses complex "songs" for communication?
The Humpback Whale.
What is the longest mountain range in the world, which is found under the ocean?
The Mid-Ocean Ridge.
How long have sharks existed on planet earth?
A) roughly 100,000 years
B) roughly 2,000,000 years
C) roughly 50,000,000 years
D) roughly 450,000,000 years
D) roughly 450,000,000 years!
Scientists estimate sharks have been swimming in the ocean for at least 455 million years, a time before the dinosaurs. That makes them known as 'living fossils.'