BIO 182 Exam 3
Study online at https://quizlet.com/_hmib2n
1. Water is buoyant and so provides support to plants living in the water. For
plants to invade land, what would be needed to help address this issue?
a. exoskeleton
b. waxy cuticles
c. rigid structures
d. photosynthesis: c. rigid structures
2. It is thought that plants were the first organisms to live on land, which would
mean that originally, they did not have the problem of being ______: eaten
3. What major adaptations are found in all terrestrial plants? Select all that
apply.
a. alternation of generations
b. spores formed in sporangium
c. seed dispersal mechanisms
d. haploid cells produced by a gametangium
e. photosynthesis in leaves: a. alternation of generations
b. spores formed in sporangium
d. haploid cells produced by the gametangium
4. What benefits are gained from having lignin as part of the cell wall?
a. semipermeable barrier to allow carbon dioxide in and oxygen out
b. prevents shrinking of plasma membrane
c. provides a food source when the light isn't shining
d. firm rigid structure allowing increased plant height
e. helps focus sunlight so more energy can be obtained: d. firm rigid structure allowing
increased plant height
5. The male structure in seedless plants that releases sperm is called the _____-
: antheridium
6. Which of the following are seedless, non-vascular plants that likely represent
some of the earliest forms of land plants? Select all that apply.
a. mosses
b. liverworts
c. ferns
d. horsetails
, BIO 182 Exam 3
Study online at https://quizlet.com/_hmib2n
e. lycophytes
f. hornworts
g. pteridophytes: a. mosses
b. liverworts
f. hornworts
7. _____ is found in the cell walls of both green algae and plants.: cellulose
8. The conspicuous vegetative organs such as the thallus, rhizoid, and stem all
belong to which stage in the bryophytes?
a. sporophyte
b. sporangium
c. diploid
d. gametophyte: d. gametophyte
9. In seedless vascular plants, what is the dominant phase in the life cycle?
a. sporophyte
b. haploid
c. gametophyte
d. archegonium: a. sporophyte
10. Vascular tissue helps with which of the following? Select all that apply.
a. transport food
b. pest resistance
c. transport water
d. sexual reproduction
e. increased height
f. root development: a. transport food
c. transport water
e. increased height
f. root development
11. The first naked seed plants that evolved about 380 million years ago are the
_____: progymnosperms
12. Why would a plant height increase provide an advantage?
a. move food farther
b. water movement
Study online at https://quizlet.com/_hmib2n
1. Water is buoyant and so provides support to plants living in the water. For
plants to invade land, what would be needed to help address this issue?
a. exoskeleton
b. waxy cuticles
c. rigid structures
d. photosynthesis: c. rigid structures
2. It is thought that plants were the first organisms to live on land, which would
mean that originally, they did not have the problem of being ______: eaten
3. What major adaptations are found in all terrestrial plants? Select all that
apply.
a. alternation of generations
b. spores formed in sporangium
c. seed dispersal mechanisms
d. haploid cells produced by a gametangium
e. photosynthesis in leaves: a. alternation of generations
b. spores formed in sporangium
d. haploid cells produced by the gametangium
4. What benefits are gained from having lignin as part of the cell wall?
a. semipermeable barrier to allow carbon dioxide in and oxygen out
b. prevents shrinking of plasma membrane
c. provides a food source when the light isn't shining
d. firm rigid structure allowing increased plant height
e. helps focus sunlight so more energy can be obtained: d. firm rigid structure allowing
increased plant height
5. The male structure in seedless plants that releases sperm is called the _____-
: antheridium
6. Which of the following are seedless, non-vascular plants that likely represent
some of the earliest forms of land plants? Select all that apply.
a. mosses
b. liverworts
c. ferns
d. horsetails
, BIO 182 Exam 3
Study online at https://quizlet.com/_hmib2n
e. lycophytes
f. hornworts
g. pteridophytes: a. mosses
b. liverworts
f. hornworts
7. _____ is found in the cell walls of both green algae and plants.: cellulose
8. The conspicuous vegetative organs such as the thallus, rhizoid, and stem all
belong to which stage in the bryophytes?
a. sporophyte
b. sporangium
c. diploid
d. gametophyte: d. gametophyte
9. In seedless vascular plants, what is the dominant phase in the life cycle?
a. sporophyte
b. haploid
c. gametophyte
d. archegonium: a. sporophyte
10. Vascular tissue helps with which of the following? Select all that apply.
a. transport food
b. pest resistance
c. transport water
d. sexual reproduction
e. increased height
f. root development: a. transport food
c. transport water
e. increased height
f. root development
11. The first naked seed plants that evolved about 380 million years ago are the
_____: progymnosperms
12. Why would a plant height increase provide an advantage?
a. move food farther
b. water movement
