Plants 1

Question 1

About how many species of angiosperms are there?

Answer 1

300.000

Question 2

Describe characteristics of glaucophytes

Answer 2

chlorophyll a only, chloroplast w/ peptidoglycan, some w and w/o cell wall/cellulose

Question 3

Describe characteristics of red algae

Answer 3

chlorophyll a only, phycobilins, complex life cycle, no flagellated cells, cellulose cell walls

Question 4

Describe characteristics of Green plants

Answer 4

chlorophyll a and b, starch, cellulose cell walls,

Question 5

Describe characteristics of streptophytes- what kind of growth? Presence of what two p things?

Answer 5

plasmodesmata, apical growth, phragmoplast, sporopollenin (includes charophytes and land plants)

Question 6

Describe the type of gametes of embryophytes and the type of meiosis they undergo

Answer 6

oogamous, sporic meiosis

Question 7

Flowering plants undergo __________ fertilization

Answer 7

double fertilization

Question 8

why do flowering plants use double fertilization

Answer 8

to produce endosperm

Question 9

Name the two subgroups of green algae

Answer 9

Chlorophytes and Charophytes

Question 10

What kind of meiosis do green algae utilize?

Answer 10

gametic sporic and zygotic

Question 11

Chlorophytes have a ____ during cell division?

Answer 11

phycoplast

Question 12

Charophytes have a ______ during cell divison?

Answer 12

phragmoplast

Question 13

Which group of green algae is more closely related to land plants?

Answer 13

charophytes

Question 14

Name the 3 Chlorophyte species we went over for this class

Answer 14

Volvox, Chlamydomonas, Ulva

Question 15

What kind of meiosis does Chlamydomonas use?

Answer 15

zygotic

Question 16

What kind of meiosis does volvox use?

Answer 16

zygotic

Question 17

What kind of meiosis does Ulva use?

Answer 17

sporic

Question 18

Name the 3 charophyta groups we went over in class

Answer 18

Coleochaete, Chara, Spirogyra

Question 19

Earliest land plants date back to?

Answer 19

470 mya

Question 20

First land plants were vas/nonvas?

Answer 20

nonvascular

Question 21

First vascular plant microfossils date back to?

Answer 21

425 mya

Question 22

name the 5 traits of early land plants

Answer 22

sporic meiosis, oogamous, apical grouwth, motile sperm, internal conductive tissue (heidroids/leptoids in some, xylem/phloem in others)

Question 23

Name the 3 phyla of nonvascular plants (not monophyletic)

Answer 23

Liverworts, hornworts, mosses

Question 24

How do liverworts reproduce?

Answer 24

Gemma cups (Asexual)

Question 25

Do liverworts have stomates or cuticle?

Answer 25

no

Question 26

Name an example of a liverwort species

Answer 26

Marchantia

Question 27

Marchantia male gametophytes produce

Answer 27

antheridia

Question 28

Marchantia female gametophytes produce

Answer 28

archegonia

Question 29

Marchantia mature sporophyte is attached to

Answer 29

the female gametophyte

Question 30

Mosses have a dominant _______

Answer 30

gameotphyte

Question 31

There was a recent discovery of _______ in the moss Physcomitrella

Answer 31

peptidoglycan

Question 32

What makes mosses somewhat related to nonvascular plants?

Answer 32

genes that make hydroids and leptoids

Question 33

What genes are required to make peptidoglycan?

Answer 33

Mur

Question 34

What is a synonym for leaf?

Answer 34

microphyll

Question 35

mosses have asexual reproduction by

Answer 35

fragmentation and some gemma

Question 36

stomata and cuticle only present on the _________ of mosses

Answer 36

sporophytes

Question 37

Moss spores germinate and produce a short-lived ________ that eventually buds into a leafy gametophyte

Answer 37

protonema

Question 38

spores, protonema, gametophytes, are all

Answer 38

haploid

Question 39

Anthocerophyta are

Answer 39

hornworts

Question 40

name an example of species of hornworts as gone over in class

Answer 40

Anthoceros

Question 41

Hornwort sporophytes are ___________ but still dependent on gametophyte for minerals and water

Answer 41

photosynthetic