Chapter 29- Plants Diversity

Question 1

Thin cyanobacteria existed on land about ____ years ago

Answer 1

1.2M

Question 2

By about ______ ago, taller plants app

Answer 2

385M

Question 3

Plants evolved from

Answer 3

green algae

Question 4

Plants supply (3)

Answer 4

Oxygen
food sources
habitat

Question 5

Plant cell walls are made of

Answer 5

cellulose

Question 6

Plants have chloroplast with chlorophyll

Answer 6

A and B

Question 7

Green algae called _____, are closest relatives of plants

Answer 7

charophytes

Question 8

Charophytes have a coating of ______

Answer 8

sporopollenin

Question 9

sporopollenin is

Answer 9

a polymer that prevents zygotes from drying out

Question 10

4 Key traits of plants

Answer 10

1) alternation of generations
2) sporangia that produce walled spores
3) gametangia that produce gametes
4) apical meristems

Question 11

Sporophyte produces spores in mutlicelllular organs called

Answer 11

sporangia

Question 12

Apical Meristems

Answer 12

Localized regions of cell division at the tips of the roots

Question 13

Alternation of generations

Answer 13

the
process by which the life cycles of
plants alternate between two
generations of multicellular
organisms: gametophytes and
sporophytes

Question 14

Gametophyte

Answer 14

multicellular haploid that produces haploid gametes

Question 15

Sporophyte

Answer 15

multicellular diploid produces haploid spores by meiosis

Question 16

Spores develop into

Answer 16

gametophytes

Question 17

Fertilized eggs ( zygotes) develop into

Answer 17

sporophytes

Question 18

Plants are called embryophytes because of

Answer 18

the dependency of the embryo on the parent

Question 19

Cuticle

Answer 19

waxy covering of epidermis

Question 20

stomata

Answer 20

pores that facilitate gas exchange between outside air and internal plant tissues

Question 21

Plant spores first appeared

Answer 21

in fossil record from 470M years ago

Question 22

Vascular tissue

Answer 22

cells joined into tubes for the transport of water and nutrients

Question 23

Plants that have a complex vascular tissue system are called

Answer 23

vascular plants

Question 24

Non vascular plants lack

Answer 24

an extensive transport system

Question 25

Nonvascular plant examples

Answer 25

liverworts, mosses hornworts ( bryophytes)

Question 26

Nonvasuclar plants ( bryophytes) represented by 3 phyla

Answer 26

Liverworts, mosses, hornworts

Question 27

Liverworts are named for their

Answer 27

iver shaped gametophytes

Question 28

are usually present for only part of the life cycle

Answer 28

sporophytes