exam 2

Question 1

4 characteristics of ferns and horsetails

Answer 1

1. Vascular tissue for conducting water (phloem) and carbohydrates (xylem)
2. water is necessary for reproduction
3. produce spores as reproductive output (haploid spores)
4. leaves are multi-veined

Question 2

Much greater independence and dominance of the fern’s __________

Answer 2

sporophyte

Question 3

____________ lacks vascular tissue

Answer 3

gametophyte

Question 4

both gametophyte and sporophyte can __________ in ferns

Answer 4

photosynthesize

Question 5

gametophyte of a fern looks like a __________

Answer 5

heart (prothallus)

Question 6

sporophyte grows from the ___________

Answer 6

gametophyte

Question 7

how does sperm travel to fertilize an egg?

Answer 7

water drops in the gametophyte and travels to the sporophyte

Question 8

what disperses away from parents?

Answer 8

spores

Question 9

zygote

Answer 9

2n, produces sporophyte via meiosis

Question 10

sporangium

Answer 10

2n, produces spores via meiosis (only place meiosis occurs)

Question 11

spores

Answer 11

n, produce male OR female gametophytes via mitosis

Question 12

sporopollenin

Answer 12

protective coating on spore

Question 13

gametangium

Answer 13

gamete (egg or sperm) producing structures on gametophyte

Question 14

archegonium

Answer 14

female

Question 15

antheridium

Answer 15

male

Question 16

egg and sperm produced via ______

Answer 16

mitosis