Marine Biology
What is the biggest animal in the ocean?
Blue whale
Water pressure increases with _______
Depth
What is the chemical name of water
H2O
Name the 5 Oceans
Atlantic
Pacific
Southern
Arctic
Indian
Is water wet?
No, water is not wet
-"Wet" is a description of a condition, not a property.
-being wet means being covered or saturated with a liquid — usually water.
Which of these animals have no bones
-Dolphins
-Sharks
-Eels
-Frogs
Sharks have no bones!
they have a skeleton made of cartilage instead of bones
Why does oil float on top of water?
Oil is less dense than water
true or false
Sharks have a higher concentration of salt in their bodies than teh surroundung ocean
true
sharks are saltier than the ocean
Which ocean is the smallest and coldest?
Arctic Ocean
Unlike many ocean animals, sharks do not have any bones to support their body, what do they have intead of bones?
cartilage
What is the name of the rigid suport structure found in squids
What is the name of the continuous force applied to an object by its surroundings?
Pressure
true or false
Salt water is less dense than fresh water
False
Salt water is more dense than fresh water
How old is the earth?
approximately 4.5 billion years
How many hearts does an earthworm have?
5 hearts
How many tentacles do squids have?
squids have 2 tentacles and 8 arms
What is the name of the process where light is absorbed and scattered by water
Light Attenuation
What is the process caused by climate change where the pH of the ocean is lowered globally
Ocean acidification
What is the deepest part of the ocean?
+500 if you can guess the approximate depth of the deepest part of the ocean (+ or - 500m)
Marianas trench
10971m (bonus +500)
I never touch the ocean’s face,
Yet move its tides with silent grace.
I vanish daily from your sight,
But guide the sea with borrowed light
what am I?
the moon
What is the name of the photosynthetic bacteria which coral have a symbiotic relationship with?
Zooxanthelle
Why is the ocean blue?
C) Because water absorbs shorter wavelengths of light like red first then blue light is scattered by water and reflected back into our eyes
what is the name of the process by which water receives exessive amounts of nutrients such as phosphorus or nitrogen, causing massce algal blooms
Eutrophication
Which ocean is currently shrinking?
Pacific Ocean
Why did the whale cross the ocean?
To get to the other tide