SPO4: Plant Diversity I

Question 1

Bryophytes (3)

Answer 1

The non-vascular plants:

1. True mosses
2. Liverworts
3. Hornworts

Question 2

Seedless vascular plants (5)

Answer 2

Having xylem and phloem tissues.

1. Club mosses
2. Ferns
3. Conifers
4. Cycads
5. Flowering angiosperms

Question 3

The alternation between a haploid body form and a diploid body form

Answer 3

Alteration of generation

Question 4

The haploid body form

Answer 4

Gametophyte generation

Question 5

The diploid body form

Answer 5

The sporophyte generation

Question 6

The generation which produces the spores

Answer 6

The sporophyte generation

Question 7

The generation which produces the gametes.

Answer 7

The gametophyte generation

Question 8

The generation in bryophytes which is the dominant generation, in which the bryophyte spends the majority of it’s life

Answer 8

The gametophyte generation (n)

Question 9

The generation in all plants EXCEPT bryophytes which is the dominant generation, in which the plant spends the majority of it’s life

Answer 9

The sporophyte generation (2n)

Question 10

The diploid (2n) sporophyte plant produces this reproductive structure in which meiosis takes place producing haploid (n) spores

Answer 10

Sporangium/Sporangia (plural)

Question 11

The mature male gametophyte produces this reproductive structure in which sperm are produced by mitosis.

Answer 11

ANTHERIDIUM

Question 12

The mature female gametophyte produces this reproductive structure in which eggs are produced by mitosis

Answer 12

ARCHEGONIUM

Question 13

_____ are released and enter the __________ to fertilize the ______ forming a _______ zygote, the first stage of the next ___________ generation, thereby completing the life cycle.

Answer 13

Sperm, achegonium, eggs diploid (2n), sporophyte

Question 14

Extant

Answer 14

Currently living

Question 15

The most primitive currently living group of plants

Answer 15

The bryophytes (mosses, liverworts, hornworts)

Question 16

The term bryophytes does not refer to a taxon or clade, but a ____________, a group of species with a shared level of evolutionary development

Answer 16

Evolutionary grade

Question 17

Lacking in water conducing and nutrient conducing tissues.

Answer 17

Avascular

Question 18

Bryophytes require ________ in order to disseminate their _________ ____________

Answer 18

Flaggelated sperm

Question 19

Single celled structures that anchor avascular plants to its substrate

Answer 19

Rhizoids

Question 20

Bryophyte spores are produced by:

Answer 20

Meiosis

Question 21

Bryophyte gametes are produced by:

Answer 21

Mitosis

Question 22

Answer 22

Liverwort

Question 23

Answer 23

Liverwort archegonia

Question 24

Answer 24

Liverwort antheridium

Question 25

Answer 25

Liverwort Rhizoid

Question 26

Answer 26

Liverwort Gemmae

Question 27

Answer 27

Liverwort Gemmae Cups

Question 28

Answer 28

Liverwort Thallus

Question 29

Answer 29

Whisk fern

Question 30

Answer 30

Whisk fern sporangia

Question 31

Answer 31

Whisk fern scales

Question 32

Answer 32

Horsetails

Question 33

Answer 33

Horsetail sporangia

Question 34

Answer 34

Horsetail rhizomes

Question 35

Answer 35

Horesetail leaves

Question 36

Answer 36

Horsetail fertile shoots

Question 37

Answer 37

Ferns (vascular seedless plant)

Question 38

Answer 38

Fern Sori (us)

Question 39

Answer 39

Fern gametophyte

Question 40

Produces male gametophytes in vascular seedless plants

Answer 40

Microspore

Question 41

Produces female gametophytes in vascular seedless plants

Answer 41

Megaspore

Question 42

Answer 42

Horsetail strobilia