1. which of the following statements best describe the difference between angiosperms and gymnosperms?
a. angiosperms produce cones to protect their seeds; gymnosperm seeds are surrounded by fruit.
b. gymnosperms include fruit trees and ginkgos; angiosperms include conifers, spruces, and firs
c. gymnosperms are mostly adapted for wind pollination; angiosperms are mostly adapted for animal pollination.
d. angiosperms were the first to colonize land; gymnosperms developed later than the more primitive angiosperms.

2. the outer covering of some land plants that slow water loss is called:
a. chlorophyll
b. chitin
c. cuticle
d. stomata

3. what adaptation of land plants it to control gas exchange with the atmosphere?
a. chitin
b. cuticle
c. stomata
d. chlorophyll

4. a plant that remains low to the ground and grows in moist conditions is most likely what type of plant?
a. vascular
b. nonvascular
c. angiosperm
d. gymnosperm

5. terrestrial plants contain lignin to support the plant and vascular tissue to transport water and nutrients through the plant. what are these adaptations in response to?
a. heat
b. gravity
c. dryness
d. gas exchange