Chapter 25

Question 1

lycophytes (club mosses, quilworts), monilophytes (horsetails, ferns)

Dominant form: gametophyte

roots, leaves, stems

Answer 1

vascular plants

Question 2

bryophytes

liverworts, bryophyta (mosses), hornworts

Dominant form: sporophyte

Water is absorbed through osmosis/diffusion

Answer 2

non vascular plants

Question 3

gametophyte

Answer 3

haploid

Question 4

haploid

Answer 4

1N/sexual

Question 5

sporophyte

Answer 5

diploid

Question 6

diploid

Answer 6

2N/asexual

Question 7

plant life cycle alternates between sexual (gametophyte) and asexual (sporophyte) generations

Answer 7

alternation of generations

Question 8

spores are produced by meiosis in the sporangium of a diploid sporophyte, dispersal happens through the air

Answer 8

walled haploid spores

Question 9

place where gametes are produced

Answer 9

gametangia

Question 10

liverworts, mosses, hornworts

Answer 10

bryophytes

Question 11

phylum hepatophyta

Answer 11

liverworts

Question 12

phylum bryophyta

Answer 12

mosses

Question 13

male gametangia, where sperm are produced

Answer 13

antheridia

Question 14

female gametangia, where eggs are produced

Answer 14

archegonia

Question 15

phylum anthocerophyta

Answer 15

hornworts

Question 16

dominant form of bryophytes

Answer 16

haploid gametophyte

Question 17

____________ allows for larger, taller sporophytes for faster transport of nutrients

Answer 17

vascular tissue

Question 18

moves sugars and minerals down towards roots

Answer 18

phloem

Question 19

moves water from roots to stems and leaves

Answer 19

xylem

Question 20

single vein

Answer 20

microphylls

Question 21

branched veins

Answer 21

megaphylls

Question 22

where spores are formed

Answer 22

sporangia

Question 23

leaf with sporangia

Answer 23

sporophyll

Question 24

clusters of sporangia on sporophylls

Answer 24

sori

Question 25

cone-like group of sporophylls

Answer 25

strobilus

Question 26

closest group to ancestral vascular plants microphylls and strobili club and spike mosses

Answer 26

phylum lycophyta

Question 27

whisk fern with dichotomous branching, no true leaves or roots horsetails ferns

Answer 27

phylum monilophyta

Question 28

most widespread and diverse monilophyte, large megaphylls, sori on the underside of sporophylls

Answer 28

ferns

Question 29

Covered the earth, increasing organic C on land (for food) Further increases O2 levels Reduced CO2 levels

Answer 29

Success of seedless vascular plants changed the Paleozoic world