Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

algal biology > Cyanobacteria Biodiversity (Genus) > Flashcards

Cyanobacteria Biodiversity (Genus) Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards
1
Q

Dolichospermum CHARACTERISTICS

A

Microscopic, filamentous.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Dolichospermum COLOR

A

Dark green, dark brown. or pale blue green.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Dolichospermum MORPHOLOGY

A

Spherical/Oval/Barrel shaped cells, HAS heterocytes and akinetes, SHEATH with fine clear mucilage envelope, trichomes solitary or clustered.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Dolichospermum HABITATS

A

Freshwater lakes/ponds, planktic and rarely metaphytic.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Dolichospermum FUN FACT

A

Produces microcystin; creates algal blooms.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Gloeotrichia CHARACTERISTICS/COLORS

A

Olive green, yellow green, brown, dark blue, or blackish.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Gloeotrichia MORPHOLOGY

A

HAS heterocytes and akinetes, HAS aerotopes. Heteropolar trichomes w/ intercalary heterocytes, rarely false branches.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Gloeotrichia HABITATS

A

Freshwater ONLY, planktonic.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Gloeotrichia FUN FACT

A

Water manager, produces microcystin.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Aphanothece CHARACTERISTIC/COLORS

A

Yellow or green, stores glycogen, cell wall has thick layer of peptioglycogen.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Aphanothece MORPHOLOGY

A

No flagella, flatten cells, mucilage forms amorphous colonies.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Aphanothece HABITATS

A

Benthic in standing water, usually becomes floating mats.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Aphanothece FUN FACT

A

Considered sediment mats if formed in the bottom of waterbodies, forms toxic blooms.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Aphanizomenon CHARACTERISTICS/COLOR

A

Possibly has firm sheaths, pale blue green or blue green.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Aphanizomenon MORPHOLOGY

A

Straight & unbranched trichomes, HAS heterocytes (intercalary) & akinetes (between vegatative cells), HAS aerotropes.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Aphanizomenon HABITATS

A

Found in freshwater lakes.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Aphanizomenon FUN FACT

A

Contains neurotoxins, saxitoxin and neosaxitoxin.

18
Q

Nostoc CHARACTERISTICS/COLOR

A

Yellowish brown to pale/bright blue green or olive green. Stores glycogen.

19
Q

Nostoc MORPHOLOGY

A

No flagella. HAS heterocytes and akinetes. Membrane contains peptidoglycan, also rich in acid proteins and polysaccarides.

20
Q

Nostoc HABITATS

A

Marine, freshwater, and terrestrial. Can survive in polar and arid regions.

21
Q

Planktothrix CHARACTERISTICS/COLOR

A

Reddish pink. No flagella or cell wall.

22
Q

Planktothrix MORPHOLOGY

A

Unbranced, may form mucilaginous envelope under stressful conditions. NO heterocytes or akinetes.

23
Q

Planktothrix HABITATS

A

Benthic in freshwater lakes and reservoirs.

24
Q

Planktothrix FUN FACT

A

Also toxic.

25
Q

Anabaena CHARACTERISTICS/COLOR

A

Has cell wall, can fix nitrogen, and produces neurotoxin.

26
Q

Anabaena MORPHOLOGY

A

Straight/curved/coiled trichome, looks like a string of beads. HAS heterocyte (yellow green) & akinete.

27
Q

Anabaena HABITATS

A

Terrestrial and freshwater habitats.

28
Q

Anabaena FUN FACT

A

Full of toxins; blooms more common in warm water.

29
Q

Microcoleus CHARACTERISTICS/COLOR

A

No cell wall, blue green, stores glycogen.

30
Q

Microcoleus MORPHOLOGY

A

NO heterocytes & akinetes, colony of multiple trichomes sharing a common sheath. Also has necridia.

31
Q

Microcoleus HABITATS

A

Salt marshes, marine, lagoons, lakes, and terrestrial.

32
Q

Microcoleus FUN FACT

A

Adds stability to soil, produces toxins (microcystin and anatoxin), can switch between oxygenic and anaoxygenic photosynthesis.

33
Q

Cylindrospermum CHARACTERISTICS/COLOR

A

Pale blue green, thick cell walls w/ peptidoglycan, stores glycogen.

34
Q

Cylindrospermum MORPHOLOGY

A

HAS heterocytes & akinetes, filaments can be straight/coiled/solitary.

35
Q

Cylindrospermum HABITATS

A

Tropical species but found in US temperate lakes.

36
Q

Cylindrospermum FUN FACT

A

Produces cylindrospermopsin, forms blooms.

37
Q

Spirulina CHARACTERTISTICS/COLOR

A

Looks green to me chief, stores glycogen/polyglycan/polyphosphate/cyanophycin. Has aerotropes and cell wall.

38
Q

Spirulina MORPHOLOGY

A

Unbranched filaments with variable coils from tight to loose.

39
Q

Spirulina HABITATS

A

Freshwater lakes, mineral springs, and brackish waters.

40
Q

Spirulina FUN FACT

A

Very nutritious, found in many medicines and cosmetics. One of the first photosynthetic life forms to help create oxygen atmosphere.

algal biology (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions