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Marine Ecosystems > General Knowledge > Flashcards

General Knowledge Flashcards

1
Q

What covers coccolithophorid

A

Calcareous plates

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2
Q

What is a heterotroph

A

Consumer of organic compounds

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3
Q

What are stromatolites

A

Cyanobacteria / heterotrophic bacteria / sand, salt, and clay / calcium carbonate and calcium silicate precipitated from the seawater by bacteria

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4
Q

Give 4 examples of phytoplankton

A

Cyanobacteria, diatoms, dinoflagellates, coccolithophorids

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5
Q

What are metazoa

A

Multi-celled animals

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6
Q

Give the latin for baleen whale

A

Mysticeti

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7
Q

Give 4 orders of cetacean

A

Mysticeti, odontoceti, pinnipedia, sirenia

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8
Q

Give the latin for toothed whale

A

Odontoceti

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9
Q

What is the pelagic zone

A

Open ocean, water column

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10
Q

What are nekton

A

Pelagic fish capable of swimming against the current

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11
Q

Give 4 examples of nekton

A

Pelagic fish, cephalopods, marine mammels, pelagic seabirds

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12
Q

Give 4 types of pelagic seabird

A

Petrel, auk, shearwater, albatross

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13
Q

Name the sections of the pelagic zone in order

A

Photic, Aphotic, Bathypelagic, Abyssopelagic

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14
Q

Give the latin for seals

A

Pinnepedia

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15
Q

What is an autotroph

A

Primary producer - uses light energy to produce organic compounds from fixing inorganic nutrients such as nitrogen

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16
Q

Give 5 types of zooplankton

A

Protozoa, cnidarians, ctenophores, mollusca, antropoda

17
Q

What are dinoflagellate blooms associated with

A

Red tides; anoxia; toxins

18
Q

What does the Monod Equation demonstrate

A

Resource dependent growth (growth rate of an organism depending on the amount of resources available.

19
Q

What is bottom up control

A

Resource dependent growth such as nitrogen being a limiting nutrient

20
Q

What is Primary endosymbiosis

A

Primary endosymbiosis involves the engulfment of a bacterium by another free living organism

21
Q

What is Secondary endosymbiosis

A

Secondary endosymbiosis occurs when the product of primary endosymbiosis is itself engulfed and retained by another free living eukaryote - gives rise to diverse groups of algae and other eukaryotes.

22
Q

Name the sections of the benthic zone in order

A

Shelf - Bathyal Zone - Abyssal Zone - Hadal Zone - Trench

23
Q

What are protozoa

A

Single celled organisms

24
Q

Give the latin for manatee

A

Sirenia

25
Q

What are nemtocysts

A

stinging cells on cnidarians

26
Q

What is specific heat capacity

A

The amount of heat required to change a unit mass of a substance by one degree in temperature

27
Q

How are ctenophores different from cnidarians

A

Ctenophores have no nematocysts

28
Q

What is tropic cascade

A

Top down control - eg grazing and predation

29
Q

Name the 5 functional groups of pelagic organisms

A

Viruses, bacteria, phytoplankton, zooplankton, nekton

Marine Ecosystems (10 decks)

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