Marine Science final

Created by Trey Waters

How much of Earth’s water is in the ocean?
97%.

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TermDefinition
How much of Earth’s water is in the ocean?
97%.
The largest ocean is the ______________ ocean.
Pacific.
The average depth of the ocean is _______ ft.
12,000 Feet.
The average depth of Mobile Bay is _____ ft.
10.
As you dive deeper into the ocean, temperature _____ and pressure _____.
Decreases. Increases.
The average salinity of the open ocean is _____PPT.
35.
The average temperature of the deep ocean is ____ F.
32.
What is the approximate pH of typical ocean water?
8.1.
Organisms that use sunlight to make their own food (i.e. glucose) are called _____.
photoautotrophs.
A CTD measures the following parameters (and what the acronym stands for):
conductivity, temperature, and depth.
Plankton is/are a group of organisms that.
drift or float freely in aquatic environments for all or part of their lives.
Of the following, which is not a driver of ocean currents?
eutrophication.
How long does it take the Moon to make a complete orbit around the Earth?
27 Days.
How long does it take the Earth to make one complete rotation around its own axis?
24 Hours.
How long does it take the Earth to complete one rotation around the sun?
365 Days.
A sea turtle has lungs.
True.
What reptilian feature explains why iguanas bask in the sun after feeding in the water?
Ectothermy.
Sea turtles reproduce by?
Laying eggs on the beach.
The highest high tides and lowest low tides which occur when the moon and sun are lined up with the Earth are called ____ tides:
spring tides.
The Blue Crab is most closely related to the ____.
Lobster.
This shark is the largest in the world.
Whale Shark.
Which of the following are most closely related to the sharks?
Stingrays.
Which of the following is true of sharks and ray-finned fish?
They have different types of bones.
Sponges belong to which of the following phyla?
Porifera.
Which of the following characteristics is common to all Cnidarians?
Nematocysts.
A sea star is a(n) _______.
Echinoderm.
All mammals: give birth to live young and have mammary glands, have fur or hair at some stage of their life, and are warm blooded.
False.
Fish have _____ heart chambers.
2.
Most reptiles and amphibians have a ____ chambered heart.
3.
Warm water holds more dissolved oxygen than cold water.
False.