Seedless Vascular

Question 1

Derived Traits

Answer 1

-Life cycle with dominant sporophytes
-Vascular tissues (xylem, phloem)
-Well-developed roots and leaves
-Can grow tall

Question 2

Liginin

Answer 2

Woody stuff in vascular tissue that provides structural support

Question 3

Xylem

Answer 3

Water, unidirectional, no cell walls between, open tube, thick wall stiffened with liginin

Question 4

Phloem

Answer 4

Sugars and nutrients, two way flow, stll have cell wall

Question 5

Examples

Answer 5

Club/ spike “mosses”, horsetails, ferns

Question 6

Rhizomes

Answer 6

Underground stems for asex reproduction, vascular tissue, roots grow from it, horizontal, anchors and elongates plant

Question 7

Fiddleheads

Answer 7

shoots from rhizomes, agent of asexual reproduction

Question 8

Ferns

Answer 8

Sporophyte dominant, sorus sporangia on underside leaves, tiny heart-shaped gametophyte, bisexual gametophyte

Question 9

Life cycle

Answer 9

-young gametophyte spore
-single bisexual gametophyte
-heart shaped
-antheridium at point, make hap sperm
-archegonia in crevvase, make hap egg
-staggered development
-diploid zygote in gametophyte (hap) archegonia

Question 10

gametophye

Answer 10

haploid

Question 11

sporophyte

Answer 11

diploid