Gymnosperms

Question 1

Living Seed Plants

Answer 1

Cycadophyta, Coniferophyta, Ginkgophyta, Gnetophyta, Magnoliophyta

Question 2

Gymnosperms

Answer 2

naked ovules, naked seeds

Question 3

Progymnosperms

Answer 3

prove that vascular cambium came before seeds

Question 4

Extinct Cycadophytes

Answer 4

Pteridospermophyta, Cycadeoidophyta

Question 5

Extant Cycadophyta

Answer 5

Cycadophyta

Question 6

Pteridospermophyta

Answer 6

seed ferns, no sori

Question 7

Cycadophyta

Answer 7

cycads, palm-like, dioecious seed and pollen cones

Question 8

Conifers

Answer 8

simple needles, scaled, most perennial, pollen tube, non-motile sperm, monoecious

Question 9

Wollemi pine

Answer 9

living fossil, recently discovered

Question 10

Ginkgophyta

Answer 10

Maidenhair Tree, broad leaves, dichotomously branched veins like seed ferns, dioecious

Question 11

Gnetophyta

Answer 11

gnetum, ephedra, w. mirabilis, vessels

Question 12

Gnetum

Answer 12

resemble dicots, braid leaves, woody stems

Question 13

Ephedra

Answer 13

desert-adapted eudicots

Question 14

Welwitschia mirabilis

Answer 14

whole plant with torn leaves