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Botany > Exam > Flashcards

Exam Flashcards

1
Q

What are considered Bryophytes? (3)

A

Peat Mosses , Liverworts and Hornworts

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2
Q

What is considered Seedless Vascular Plants? (4)

A

Horse Tail, Club Moss, Wisk Fern and True Fern

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3
Q

What is considered Seeded Plants? (4)

A

Fishhook Cactus, Cycad, Incense Cedar, and Gingko Biloba

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4
Q

Bryophytes-
What has a Difference in Protonemata, Capsule and Rhizoids?

A

Peat Moss

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5
Q

Bryophytes-
What has a Complex Thalloid and is Leafy?

A

Liverworts

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6
Q

Bryophytes-
What has a Different number of Chloroplasts?

A

Hornworts

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7
Q

Bryophytes Features-
What is Phragmoplast and they occur where?

A

Fibrils at Telophase

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8
Q

Bryophytes Features-
What is Plasmodesmata?

A

Cytoplasmic Threads that connect Adjacent Cells

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9
Q

Bryophytes Features-
What provides Strength and Stiffness?

A

Lignin

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10
Q

Bryophytes Features-
What provides Water, Minerals and Food? (2)

A

Xylem and Phloem

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11
Q

Bryophytes Features-
What is a Embryophyte?

A

Embryo producing plant with Multicellular Matrotrophic Embryos

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12
Q

What type of Generations does Bryophytes have?

A

Heteromorphic

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12
Q

Where are Bryophytes Found? (3)

A

Tropical Forest or in Dry Desert or in the extreme cold

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13
Q

Do Bryophytes have a Dominant Gametophyte?

A

True

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14
Q

Where does Photosynthesis occur in a Bryophyte?

A

Gametophyte

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15
Q

Bryophyte Features-
Are some Gametophytes Dichotomously branched?

A

True

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16
Q

What do Thalli do for Bryophytes?

A

Facilitates the uptake of H2O and CO2

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17
Q

What do Bryophytes NOT Have?

A

Stem and Roots

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18
Q

Bryophyte-
What do the Gametophytes attach to since there is No Roots.

A

Rhizoids

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19
Q

What type of Rhizoids do Mosses have?

A

Multicellular, linear row

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20
Q

What type of Rhizoids do Liverworts and Hornworts have?

A

Unicellular

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21
Q

Bryophyte-
What type of reproduction does the Bryophyte have?

A

Sexual

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22
Q

Bryophyte-
Where do reproduction take place in the Bryophyte? and has what?

A

Gametophyte and multicellular Gametangia

23
Q

Bryophyte-
The Male sex organ is calle?

A

Antheridia

24
Q

Bryophyte-
The Female sex Organ is called?

A

Archegonia

25
Q

What type of Sperm does the Bryophyte have?

A

Biflagellated

26
Q

Bryophyte-
After fertilization what occurs

A

Multicellular Sporophyte

27
Q

Bryophyte-
Is the Multicellular Sporophyte Diploid or Haploid?

A

Diploid

28
Q

Bryophyte-
Where does the Sporophyte come from?

A

When a Zygote grows and divides after the fertilization

28
Q

Bryophyte-
What is the Multicellular Sporophyte dependent on for part of its development?

A

Gametophyte

28
Q

Bryophyte-
How is the Zygote nourished and by what?

A

By the Mother Gametophyte by Sugars and Amino Acids

29
Q

Bryophyte-
What is retained in the Archegonium of a Female Gametophyte? (2)

A

Zygote and Sporophyte

30
Q

Bryophyte-
What is Matrotrophy?

A

Food derived from the Mother

31
Q

Bryophyte-
How is food Transported?

A

By the Placenta

32
Q

Bryophyte-
Where are the Mature Sporophyte consist of?

A

Foot, Seta, and Capsule (Sporangium)

33
Q

Bryophyte-
What does the Multilayer Sporangia have internally?

A

Sporogenous Tissue

34
Q

Bryophyte-
Are the Sporogenous Tissue Haploid or Diploid?

A

Diploid

35
Q

Bryophyte-
What do the Sporogenous Tissue undergo to Sporopollenin walled spores?

A

Meiosis

36
Q

Bryophyte-
What do the Sporopollenin walled spores do?

A

Resist decay and drying

37
Q

How many Bryophytes reproduce?

A

Asexually

38
Q

How do Liverworts and Mosses reproduce and through what?

A

Asexually and through Gemmae

39
Q

What do Liverworts lack?

A

Stomata

40
Q

What do Hornworts and Mosses have?

A

Stomata

41
Q

Where is the Stomata located on the Hornworts and the Mosses?

A

Sporophyte

42
Q

What does the Stomata do?

A

Allows Gas exchange

43
Q

How many Chloroplasts do Hornworts have per cell?

A

One Chloroplast

44
Q

What do Liverworts and Mosses have inside the Epidermal cell walls of a sporophyte?

A

Phenolic materials

45
Q

What do Hornworts have in the cell walls of the sporophyte?

A

Cuticles

46
Q

What causes Hornworts to elongate when conditions are favorable?

A

Dividing Cells

47
Q

What type of tissue do Hornworts lack?

A

Conducting

48
Q

Do Mosses have Conducting Tissues?

A

True

49
Q

What do Conducting Tissues consist of in Mosses? (2)

A

Hydroids (Food) and Leptoids (Water)

50
Q

Gametophytes in Liverworts and in Mosses are be both Asexual and Sexual

A

True

51
Q

In Liverworts and in Mosses the Antheridia is clustered

A

True

52
Q

In the Hornwort the Sporophyte is standing? and consist of a?

A

Upright and Sporangium

53
Q

What stores 400 billion metric tons of carbon on a global basis?

A

Peat Mosses

54
Q
A

Botany (2 decks)

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