Oceans Flashcards

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1
Q

A line of latitude about 23.5 degrees North of the equator:

A

Tropic of Cancer

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2
Q

A line of latitude about 23.5 degrees South of the equator:

A

Tropic of Capricorn

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3
Q

A marshy or muddy area that is covered and uncovered by the rise and fall of the tide, lacks plant life:

A

Tidal Flat

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4
Q

Describing area where organisms live in the open ocean:

A

Pelagic

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5
Q

Grasses found in the saltwater marsh:

A

Spartina

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6
Q

Temperature zone in water where temperatures drop very quickly (due to lack on sunlight penetrating to that depth), often matches up with the mesopelagic zone:

A

Thermocline

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7
Q

Zone of ocean away from the shore, the regions of the open sea that lie beyond and between the continental shelves:

A

Oceanic Zone

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8
Q

Zone of the ocean near the shore:

A

Neritic Zone

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9
Q

Part of the pelagic environment between 200 and 1000 m; zone between light and dark, light intensity too low for photosynthesis, (often times matches up with thermocline):

A

Mesopelagic Zone

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10
Q

Deepest parts of the oceans, in the trenches:

A

Hadal Zone

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11
Q

The “Abyss.” No light and near freezing temperatures. Below 4,000 m deep:

A

Abyssopelagic Zone

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12
Q

The pelagic environment from a depth of 1000 m to 4000 m. No sunlight at all (aphotic zone):

A

Bathypelagic Zone

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13
Q

Part of the pelagic environment from the surface to 200 m. Plenty of sunlight to promote photosynthesis:

A

Epipelagic Zone

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14
Q

Which vocabulary words mark out the tropical areas of our oceans?

A

Tropic of Cancer and Capricorn

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15
Q

Place the zones of the ocean in order from surface to deepest (5):

A
  1. Epipelagic
  2. Mesopelagic
  3. Bathypelagic
  4. Abyssopelagic
  5. Hadal
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16
Q

Which is more dense (and would sink)?

A

Saltwater

17
Q

Which is more dense (and would sink)?

A

Cold water

18
Q

What happens to the density of the water if glacier ice continued to melt into the ocean?

A

Melting ice adds more freshwater into the ocean which makes the water less dense

19
Q

Not enough oxygen for organisms to survive:

A

Dead Zone

20
Q

Organism that tells us the health of the environment:

A

Indicator Species

21
Q

Who is an indicator species of the Chesapeake Bay?

A

Striped bass/rockfish

22
Q

In summertime the amount of oxygen increases in the Chesapeake Bay because of the added nutrients and increased temperatures (True or False):

A

False

23
Q

Why are striped bass getting red lesions on their bodies?

A

Bacteria in the water from their immune systems being stressed due to eutrophication

24
Q

How do kelp forests help combat climate change?

A

They take carbon dioxide out of the atmosphere

25
Q

True of False - When there is a lot of rain near the coast, the salinity in the ocean water near the coast may increase:

A

False