Plant Diversity I & II

Question 1

Green algae called _____ are the closest relatives of plants

Answer 1

charophytes

Question 2

Algae and plants share what traits?

Answer 2

multicellular, eukaryotic, photosynthetic autotrophs, cell walls of cellulose, chlorophyll a and b

Question 3

Rings of cellulose-synthesizing proteins, flagellated sperm, and formation of the ________ are common characteristics of plants and charophytes.

Answer 3

phragmoplast

Question 4

What prevents plant zygotes from drying out?

Answer 4

sporopollenin

Question 5

Alternation of generations is unique to plants and is distinguished by

Answer 5

multicellular haploid and multicellular diploid stages

Question 6

Why are plants called embryophytes?

Answer 6

The developing embryo is protected by parental tissues

Question 7

What is sporangia and what do they produce?

Answer 7

Multicellular organs that produce haploid spores

Question 8

Female gametangia is called ________; male gametangia is called _________

Answer 8

archegonia; antheridia

Question 9

Bryophytes include _____,
_____, _____.

Answer 9

Liverworts, hornworts, mosses

Question 10

Seedless vascular plants include _____, ______.

Answer 10

lycophytes; monilophytes

Question 11

Moss spores produce a mass of green, branched, one-cell-thick filaments called a

Answer 11

protonema

Question 12

gametophytes are anchored by _____, long, tubular single cells (in liverworts and hornworts) or filaments of cells (mosses)

Answer 12

rhizoids

Question 13

ring of interlocking tooth structures found at the upper part of the capsule and regulates discharge of moss spores

Answer 13

peristome

Question 14

______ lacks a seta and has a cuticle?

Answer 14

hornworts

Question 15

______ lacks stomata?

Answer 15

liverworts

Question 16

spore-bearing leaves called

Answer 16

sporophylls

Question 17

small, spine-shaped leaves supported by a single strand of vascular tissue are called ______. Found only in lycophytes

Answer 17

microphylls

Question 18

In ferns, the sporophyll is known as _____. In gymnosperms and lycophytes, the sporophyll is known as _____.

Answer 18

sori; strobili

Question 19

___________ plants carry only one type of sporophyll; __________ plants carry two types of sporophylls (megasporophyll & microsporophyll)

Answer 19

homosporous; heterosporous

Question 20

Lycophytes include _________, _______, ______. Many epiphytes.

Answer 20

club mosses (all homosporous), spikemosses, quillworts (both heterosporous)

Question 21

Monilophytes include _______, ______, _____

Answer 21

ferns, whisk ferns, horsetails

Question 22

layer of sporophyte tissue envelops and protects the megasporangium; gymnosperms usually one, angiosperms two

Answer 22

integuments

Question 23

only opening to integument

Answer 23

micropyle

Question 24

Gymnosperms include ______, _______, ______, _______.

Answer 24

cycads; ginkgos; gnetophytes; conifers

Question 25

during double fertilization, other than the embryo, an _______ is formed

Answer 25

endosperm

Question 26

dicots not classified into eudicots include ______ and ______.

Answer 26

basal angiosperm; magnolids