Chapter 22 Part 2: Other Gymnosprms

Question 1

Phylum Ginkophyta

Answer 1

• Ginkgos
• Broad, fan-shaped leaves with fork
• Only 1 sp

Question 2

dioecious

Answer 2

having unisexual flowers or cones, with the male flowers or cones confined to certain plants and the female flowers or cones of the same species confined to different plants

Question 3

Phylum Cycadophyta

Answer 3

• cycads
• Cycads
• Slow growth
• Tree fern and pam cross but not those at all
• 300 sp
  tropics and subtropics

Question 4

Phylum Gnetophyta

Answer 4

• gnetophyte
• three genera
  most joint firs
  southwestern north america, asia, south america, europe
• branches whorled and ribbed
• tiny leaves produced and turn brown slightly after

Question 5

Human relevance of conifers

Answer 5

• edible, emergency food
• tea of needles
• nuts in cakes and sweets
• trunks used for telephone poles
• resin
• waterwheels
• turpentine
• newsprint
  -instruments

Question 6

Human relevance of Ginkgos

Answer 6

• starchy food reserves
• food in asia
• improve blood nsupply to brain and lungs

Question 7

Human relevance of cycads

Answer 7

• starch
  ornamental
• religious services

Question 8

Human relevance of firs

Answer 8

• grazed by livestock
• sugar, honey, jam
• epihedrine