Exam 1 Flashcards

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0
Q

Which plate is off the west coast?

A

Pacific plate

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1
Q

Primary production

A

When autotrophs produce more organic matter than they use in respiration

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2
Q

Which plate is off the west coast of South America?

A

Nazca plate

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3
Q

What does Pangaea mean in what language?

A

All earth

Greek

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4
Q

What kind of bond makes up a water molecule?

A

Covalent and polar

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5
Q

What kind of bods are formed between water molecules?

A

H-bonds

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6
Q

Average salt conc. of world ocean?

A

35%.

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7
Q

Father of modern taxonomy?

A

Linnaeus

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8
Q

Cause of currents?

A

Wind!

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9
Q

Cause of tides?

A

Moon, sun, earth; gravity

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10
Q

Which symbiotic relationship results in basically no benefit or harm to the host?

A

Commensalism.

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11
Q

What are the four large ocean basins?

A

Indian, pacific, arctic, Atlantic

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12
Q

Arctic Ocean

A

Shallow, low salinity, low species diversity, polar bears& walrus

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13
Q

Where is are the George’s & Grand Banks as well as the North Sea?

A

Atlantic Ocean

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14
Q

Top predators of the Antarctic peninsula

A

Seabirds and seal

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15
Q

Crab eater seal eats lots of..

A

KRILL

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16
Q

What is earths core mostly made up of?

A

Iron

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17
Q

Creates earths magnetic field?

A

Swirling motion of liquid outer core

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18
Q

Polarity reverses how often?

A

Every 300,000 years

19
Q

Mantle sold?

A

Yes

20
Q

Mantle movement?

A

It flows.

21
Q

What does the mantle consist of?

A

Iron and magnesium silicates

22
Q

What is continental crust made of?

Oceanic crust?

A

Granite.

Basalt.

23
Q

How does the density of oceanic crust compare to cont. crust?

A

Oceanic is higher in density.

24
Q

How does the coloring and thickness compare from cont. crust to oceanic?

A

Oceanic is darker and thinner

25
Q

How does the age of cont. crust compare to oceanic?

A

Oceanic is younger.

26
Q

How much do plates move per year?

A

2-12 cm (1-5in)

27
Q

East pacific…

A

Rise

28
Q

Mid-Atlantic…

A

Ridge

29
Q

Divergent boundary

A

Plates moving away from each other push up in between.

30
Q

Convergent boundary

A

Plates moving toward each other.

31
Q

Trenches and volcanoes are associate with which type of boundary?

A

Convergent

32
Q

Transform boundaries

A

Plates moving in opposite directions. Not toward or away but… Up and down.

33
Q

What is the biologically richest part of the ocean?

A

Continental shelf

34
Q

How much if the oceans surface area is continental shelf?

A

8%

35
Q

Active margins

A

Trenches
Narrow shelves
Rocky shorelines

36
Q

Passive margins

A

Flat coastal plains
Wide shelves
Trailing edge of continent

37
Q

Table topped seamount

A

Flat topped seamount.

38
Q

Are Copepoda non-P/S or P/S?

A

Non

39
Q

Are diatoms and dinoflagellates P/S or nahhh?

A

P/S

40
Q

What’s in trophic level one?

A

Phytoplankton

41
Q

Who’s in trophic level 2?

A

Herbivores (herbivorous zooplankton)

42
Q

In level 3?

A

Small carnivores (small fish)

43
Q

Level4?

A

Large carnivores

44
Q

Level 5?

A

Tuna, sharks, swordfish