Plant Anatomy Final

Question 1

Describe Selaginella’s spores

Answer 1

• Heterosporous
• Megaspore (tetrad)
• Microspores

Question 2

Spike mosses, like resurrection fern

Answer 2

Selaginales

Question 3

Is the germination of Equisetum exosporic or endosporic?

Answer 3

Exosporic

Question 4

Describe Equisetum’s tapetum

Answer 4

plasmodial

Question 5

Portion of embryo that differentiates into root tissues

Answer 5

Root

Question 6

Describe Selaginella’s embryo polarity

Answer 6

Endoscopic, has a suspensor.

Question 7

A suspensor is only found in plants with polarity.

Answer 7

Endoscopic

Question 8

Is Lycopodium Leptosporangiate or Eusporangiate?

Answer 8

Eusporangiate, with kidney-shaped sporangia

Question 9

• Known as “whisk fern”
• grows wild and is a greenhouse pest.

Answer 9

Psilotum

Question 10

What type of embryo polarity does Psilotum have?

Answer 10

Exoscopic

Question 11

What kind of embryo polarity does Lycopodium have?

Answer 11

Endoscopic

Question 12

Is Isoetes homosporous or heterosporous?

Answer 12

Heterosporous

Question 13

What type of leaves does Isoetes have?

Answer 13

microphylls

Question 14

What kind of tapetum does Psilotum have?

Answer 14

Plasmodial

Question 15

Is Psilotum heterothallic or homothallic?

Answer 15

Homothallic

Question 16

Is the gametophyte of Equisetum homothallic or heterothallic?

Answer 16

Usually homothallic

Question 17

What kind of tapetum does Lycopodium have?

Answer 17

Secretory

Question 18

What type of leaves does psilotum have?

Answer 18

Emergences

Question 19

• A-cell is up into the archegonium
• B-cel is at the base of the archegonium
• typical of psilotum, tmesipteris, and equisetum

Answer 19

Exoscopic

Question 20

• Most common polarity
• A-cell is at the base of the archegonium
• B-cell is directed upwards
• typical of lycophytes and all seed plants

Answer 20

Endoscopic Polarity

Question 21

The three orders of Division Lycophyta

Answer 21

• Lycopsidales
• Selaginales
• Isoetales

Question 22

Is Lycopodium’s gametophyte homothallic or heterothallic?

Answer 22

Homothallic, and photosynthetic!

Question 23

• Sporangia wall originate from a few surface cells

Answer 23

eusporangiate (primitive)

Question 24

Describe Equisetum’s spores

Answer 24

• Homosporous
• Have elaters
• has “functional heterospory”

Question 25

vascular cryptogam

Answer 25

contains vascular tissue spore reproduction (no seeds)

Question 26

What kind of tapetum does Isoetes have?

Answer 26

secretory

Question 27

Is Psilotum Eusporangiate or Leptosporangiate?

Answer 27

Eusporangiate

Question 28

Is Lycopodium heterosporous or homosporous?

Answer 28

Homosporous

Question 29

Describe Equisetum's sporangia

Answer 29

* Eusporangiate * Strobilate of unusual design

Question 30

Does Isoetes have true roots?

Answer 30

Yes

Question 31

Is Psilotum endosporic or exosporic?

Answer 31

Exosporic

Question 32

What kind of leaves does Lycopodium have?

Answer 32

Micorophylls

Question 33

"spring-like" structure that pushes the embryo into the gametophyte in order to diges it for nutrients.

Answer 33

Suspensor

Question 34

What kind of leaves does Selaginalla have?

Answer 34

Microphylls

Question 35

Quill worts

Answer 35

Isoetales

Question 36

Is Lycopodium exosporic or endosporic?

Answer 36

Exosporic

Question 37

Is the gametophyte of Isoetes homothallic or heterothallic?

Answer 37

Heterothallic

Question 39

Club mosses and ground pines

Answer 39

Lycopsidales

Question 40

Describe Equisetum's embryo polarity

Answer 40

Exoscopic

Question 41

Describe selaginalla's sporangia

Answer 41

* Eusporangiate * round * adaxial on sporophyll * strobillate

Question 42

Portion of developing embryo that produces leaves and stems

Answer 42

Apex

Question 43

Diploid, primitive nourishing tissue.

Answer 43

Tapetum

Question 44

Does Equisetum have true roots?

Answer 44

Yes

Question 45

What kind of embryo polarity does Isoetes have?

Answer 45

Endoscopic

Question 46

What kind of leaves does Equisetum have?

Answer 46

Microphylls

Question 47

Does Lycopodium have true roots?

Answer 47

Yes

Question 48

Cells living inside the sporangium start digesting and releasing enzymes. Typical of selaginalla, lycopodium, Isoetes, and all gymnosperms and angiosperms

Answer 48

Secretory tapetum

Question 49

* VERY broad cortex * Uniseriate epidermis w/stomata * Well developed chlorenchyma w/many chloroplasts * Endodermis present * Actinostele or Siphonostele sometimes with a sclerotic pith * Exarch xylem development * sieve cells w/sieve areas

Answer 49

Psilotum

Question 50

Division**: Psilophyta**

Answer 50

Psilotum and Tmesipteris

Question 51

Does Psilotum have true roots?

Answer 51

No

Question 52

Does Selaginella have true roots?

Answer 52

Yes

Question 53

During germination, is Selaginella endosporic or exosporic?

Answer 53

Endosporic

Question 54

During germination, is Isoetes exosporic or endosporic?

Answer 54

Endosporic

Question 55

Portion of embryo that provides nutrition (nutriative hautorial organ)

Answer 55

Foot

Question 56

* Tropical epiphyte * Impossible to obtain specimens in the US * Has flattened branches w/leaf-like vein attached to a long stem.

Answer 56

Tmesipteris

Question 57

Is Selaginella's gametophyte homothallic or heterothallic?

Answer 57

Heterothallic

Question 58

What type of tapetum does Selaginella have?

Answer 58

Secretory

Question 59

Is Psilotum homosporous or heterosporous?

Answer 59

Homosporous

Question 60

Saprophytic

Answer 60

does not contain chlorophyll