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Biology S2 > Test 3 > Flashcards

Test 3 Flashcards

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0
Q

Aquatic

A

Environment that consists of water

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1
Q

Agar

A

Gelatinous substance obtained from algae or what’s inside the Petri dishes

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2
Q

Endosymbiont hypothesis

A

Theory proposed by Lynn Nargalis that states that the first eukaryotic cell was formed from a symbiosis among several prokaryotes

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3
Q

Alternation of generation

A

The switching back and forth between the production of diploid and haploid cells

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4
Q

Bloom

A

Enormous growth of algae, Protists and other organisms

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5
Q

Bioluminescent

A

The production and emission of light by a living organism

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6
Q

Diatom

A

Photosynthetic cell that produces cell walls rich in silicon

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7
Q

Kelp

A

Large seaweed belonging to brown algae

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8
Q

Dinoflagellate

A

Photosynthetic Protists that cause red tide

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9
Q

Red tide

A

Common name for a phenomenon know as agal bloom (fire algae)

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10
Q

Stigma

A

The eye spot of a euglena

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11
Q

Producer

A

Organism that synthesizes energy-rich organic compounds

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12
Q

Phytoplankton

A

Any small photosynthetic organism found in great numbers near the surface of the ocean

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13
Q

Marine

A

Ocean habitat

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14
Q

Diatomite(diatomaceous earth)

A

Siliceous sedimentary rock

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15
Q

Fucus

A

Genus of brown algae found in rocky seashores

16
Q

Sargassum

A

A genus of brown algae found in oceans

17
Q

Filament

A

A threadlike colony formed by many green algae

18
Q

Slime mold

A

Protist that is amoeba like at one stage of its life and at other stages produces mold like masses that give rise to spores

19
Q

Zoospore

A

Haploid cell involved in asexual reproduction in algae

20
Q

Isogamete

A

Condition in which the gametes of a species appear identical

21
Q

Heterogamete

A

Production of two kinds of gametes within the same species

22
Q

Syngamy

A

The fusing of algal gametes

23
Q

Silicon dioxide

A

Chemical compound commonly found as quarts- S1O2- makes diatoms

24
Q

Air bladder

A

An air-filled bladder or sac found in certain plants and animals

25
Q

Thallus

A

Green twigs or vegetive tissue

26
Q

Stipe

A

A stalk or stemp

27
Q

Blade

A

The expanded part of a leaf or pedal

28
Q

Holdfast

A

Specialized cell that attaches on algal filament to the bottom of a lake or pond

29
Q

Blue-green algae

A

A phylum of bacteria like algae that obtain their energy from photosynthesis

30
Q

Spirogyra

A

Algae having chloroplasts in spirally twisted bonds

31
Q

Chlamydomonas

A

Genus of green alga consisting of unicellular flagellates

32
Q

Volvox

A

Forms spherical cronies of up to 50000 cells

Biology S2 (8 decks)

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