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Question 1

Chytridiomycota (Batrachochytrium)

Answer 1

1. aquatic
2. flagellated fungi
3. haploid gametes by sexual reproduction
4. diploid zoospores by asexual reproduction

Question 2

Zygomycota (Rhizopus,Pilobolus)

Answer 2

1. multinucleated (lack septa)
2. fusion of hyphae leads directly to formation of zygote in zygorsporangium (meiosis occurs before germination
3. asexual is more common

Question 3

Glomeromycota (glomus)

Answer 3

1. form arbuscular Mycorrhizae
2. multinucleated hyphae lack septa
3. produce asexually

Question 4

Ascomycota (truffles, morels)

Answer 4

1. in sexual reproduction, ascospores are formed inside sac called ascus
2. also does asexual reproduction

Question 5

Basidiomycota (mushrooms, toadstools, rusts)

Answer 5

1. sexual reproduction, basidiospores are borne on club-shaped structures called basidia
2. asexual reproduction is occasional

Question 6

Neocallimastigomycota ( Neocallimastix)

Answer 6

1. lacks mitichondria
2. anaerobic metabolism to grow in guts of hervibores
3. can degrade cellulose

Question 7

Blastocladiomycota (allomyces)

Answer 7

1. alternation of generations (like plants)
2. nuclear cap composed of membrane-bound ribosomes

Question 8

Lycophyta (club mosses)

Answer 8

1. homo/heterosporous
2. sperm motile
3. external water for fetrilization

Question 9

Pterophyta (ferns)

Answer 9

1. primary homosporous ( few hetero)
2. sperm motile
3. water needed for fertilization
4. leaves uncoil as they mature
5. sporophyte & gametophyte are photosynthetic

Question 10

Pterophyta (horsetails)

Answer 10

1. homosporous
2. sperm motile
3. stems ribbed(jointed)
4. non/photosynthetic
5. leaves scale like, in whorls,
6. mature = nonphotosynthetic
7. one genus

Question 11

Pterophyta ( whisk ferns)

Answer 11

1. homosporous
2. motile sperm
3. no difference between root and shoot
4. no leaves
5. one genera has scale-like extension and the other leaflike appendages

Question 12

Coniferophyta (Pinophyta, conifer)

Answer 12

1. heterosporous seeds
2. non motile sperm
3. sperm conducted by pollen tube
4. mostly needlelike leaves or scalelike
5. produces seeds in cones

Question 13

Cycadophyta (Cycads)

Answer 13

1. heterosporous
2. sperm flagellated and motile (confined within a polen tube
3. palmlike plants with pinnate leaves
4. secondary growth is slow in comparison to cornifer
5. seeds in cones

Question 14

Gnetophyta (gnetophytes)

Answer 14

1. heterosporous
2. sperm non-motile
3. conducted to egg by polen tube
4. only gymnosperm with vessels
5. trees, shrubs and vines

Question 15

Anthophyta (flowering plants; gymnosperm)

Answer 15

1. heterosporous
2. sperm non-motile
3. conducted to egg by a pollen tube
4. seeds enclosed within the fruit
5. leaves varied in size and form
6. herbs, vines, shrubs and trees
7. main contributor to foods