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Science: Aquatic Biomes > TEST 2/20/14 > Flashcards

TEST 2/20/14 Flashcards

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0
Q

Intertidal zone

A

The area between the highest tide line and the lowest tide line

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1
Q

Estuary

A

Where the fresh water of a river and the salt water of an ocean meet

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2
Q

Neritic zone

A

The region of shallow ocean water over the continental shelf

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3
Q

What are some examples of an estuary

A

Chesapeake bay

Hudson River

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4
Q

Red tide

A

Harmful algae bloom

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5
Q

Planktos

A

Wanderer or drifter

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6
Q

3 categories of ocean organisms

A

Plankton
Nekton
Benthos

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7
Q

Invertebrate

A

Without a backbone

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8
Q

Echinoderms

A

Invertebrates with a internal skeleton (endoskeleton)

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9
Q

Radial symmetry

A

A body form in which the body parts (usually in multiples of 5) are arranged like the spokes of a wheel ex. starfish, sea urchins

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10
Q

Crustaceans

A

Crabs

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11
Q

Arthropods

A

Invertebrates that have a segmented body, jointed appendages, and an external skeleton (exoskeleton)

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12
Q

Aquatic

A

Watery

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13
Q

What are the two types of aquatic biomes?

A

Marine biome

Freshwater biome

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14
Q

How much of the earth is water

A

3/4

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15
Q

What is larger and deeper: a lake or a pond?

A

Lake

16
Q

What factors effect all aquatic biomes?

A
  • Sunlight
  • temperature
  • oxygen
  • salt content
  • water pressure of the biome
17
Q

Where do streams begin

A

Mountains

18
Q

What are the most common producers in aquatic ecosystems?

A

Algae

19
Q

Do fish breathe air?

A

No they remove dissolved oxygen from water as water passes through their gills

20
Q

What do aerators in aquariums do?

A

Mix oxygen into the aquarium water

21
Q

Can light penetrate into the deep zone of the open ocean?

A

No. It is completely dark. Light only penetrates to a depth of a few hundred meters.

22
Q

What changes in an estuary with tides?

A

The saltiness. At low tide the water is mostly fresh. At high tide it is mostly salty

23
Q

What are the two categories of plankton?

A

Phytoplankton- plant-like, preform photosynthesis

Zooplankton- animal-like

24
Q

About how many gigatons of carbon do phytoplankton transfer from the atmosphere to the deep ocean each year?

A

About 10 gigatons

25
Q

What are the smallest zooplankton called?

A

Protozoans or micro zooplankton

26
Q

What are the three types of nekton?

A

Chordates
Molluscs
Arthropods-shrimp

27
Q

Nekton

A

Free swimming organisms

Ex. Whales, sharks, dolphins, sea-lions, varieties of free swimming fish

28
Q

Benthos

A

Organisms that live on the ocean floor

Science: Aquatic Biomes (1 decks)

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