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BOT 480: Algal Diversity > Brown Algae > Flashcards

Brown Algae Flashcards

1
Q

When did Brown Algae arise?

A

~500 mya

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2
Q

What Empire are Brown Algae part of?

A

Eukaryota

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3
Q

What Kingdom are Brown Algae part of?

A

Chromista

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4
Q

What Phylum are Brown algae part of?

A

Ochrophyta

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5
Q

What does CER stand for?

A

Chloroplastic Endoplasmic Recticulum

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6
Q

How was CER formed?

A

Secondary Endosymbiosis

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7
Q

What is the purpose of a pyrenoid?

A

Carbon Dioxide fixation

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8
Q

What are the main pigments of Brown Algae?

A

Chlorophyll a, Chlorophyll c, Fucoxanthin and Siphonoxanthin

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9
Q

What are the storage products of Brown Algae

A

Laminarin starch and mannitol sugar

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10
Q

What type of reproduction do Brown Algae have?

A

Sporic Meiosis

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11
Q

How many flagella do gametes have?

A

2

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12
Q

What are the two flagella the gametes have and what are their function?

A

Wiplash-Movement and tinsel type-chemosensory

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13
Q

How are the flagella inserted into the gamete?

A

Laterally

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14
Q

What is it called when the flagella are the same length?

A

Isokonts

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15
Q

What is it called when the flagella are different lengths?

A

heterokonts

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16
Q

Plurilocs are the site of what?

A

Mitosis

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17
Q

Unilocs are the site of what?

A

Meiosis

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18
Q

What order is Ecotocarpus part of?

A

Ectocarpales

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19
Q

What order is Chnoospora part of?

A

Ectocarpales

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20
Q

What life history does Chnoospora probably have?

A

Heteromorphic

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21
Q

What order is Colpomenia sinuosa part of?

A

Ectocarpales

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22
Q

What is the tissue type of Colpomenia sinuosa?

A

True Parenchyma

23
Q

what type of life history does Colpomenia sinuosa have?

A

Heteromorphic

24
Q

What order is Hydroclathrus clathratus part of?

A

Ectocarpales

25
Q

What is the life history of Hydroclathrus clathratus?

A

Probably heteromorphic

26
Q

What order does Asteronema belong to?

A

Scytothamnales

27
Q

What is the life history of Asteronema?

A

Heteromorphic

28
Q

What order is Hapalosponidion pangoense part of?

A

Ralfsiales

29
Q

Where are the plurilocs located on Hapalosponidion pangoense?

A

Intercalary

30
Q

Where are the unilocs located on Hapalosponidion pangoense?

31
Q

What order is Sphacerlaria part of?

A

Sphacerlariales

32
Q

What life history does Sphacerlaria have?

A

Isomorphic

33
Q

What tissue type does order Dictyotales have?

A

True parenchyma

34
Q

What order is Dictyota part of?

A

Dictyotales

35
Q

What order is Dictyopteris part of?

A

Dictyotales

36
Q

What order is Lobophora part of?

A

Dictyotales

37
Q

What are is Padina part of?

A

Dictyotales

38
Q

What order is Stypopodium part of?

A

Dictyotales

39
Q

What are the little hairs called in order Dictyotales?

40
Q

What is the life history of Dictyotales?

A

Isomorphic and oogamous

41
Q

What is special about the male gametes in Dictyotales?

A

only the sensory flagella

42
Q

What order is Sargassum part of?

43
Q

What order is Turbinaria part of?

44
Q

What tissue type are the Fucales?

A

True parenchyma

45
Q

What life history are the Fucales?

A

Gametic Meiosis, oogamy in conceptacles

46
Q

What is special to Sargassum?

A

pneumatocysts

47
Q

What are the pigments of diatoms?

A

Chlorophyll a and c, Fucoxanthin

48
Q

What is the cell wall made out of and what is it called in Diatoms?

A

Silica and Frustule

49
Q

What are the symmetry types for Diatoms?

A

Centric-radially symmetric and Pennate-bilaterally symmetric

50
Q

What are the parts of the frustule?

A

Epi value- upper larger portion and hypo value- lower, smaller portion, girdle region- area of overlap

51
Q

What type of life history do diatoms have?

A

Gametic meiosis

52
Q

What is the central slit in the frustule called and what is its purpose?

A

a raphe and movement

BOT 480: Algal Diversity (1 decks)

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