Early Plant Life

Review Questions

The land plants are probably descendants of which of these groups?

  1. green algae
  2. red algae
  3. brown algae
  4. angiosperms

Hint:

A

Alternation of generations means that plants produce:

  1. only haploid multicellular organisms
  2. only diploid multicellular organisms
  3. only diploid multicellular organisms with single-celled haploid gametes
  4. both haploid and diploid multicellular organisms

Hint:

D

Which of the following traits of land plants allows them to grow in height?

  1. alternation of generations
  2. waxy cuticle
  3. tracheids
  4. sporopollenin

Hint:

C

How does a haplontic plant population maintain genetic diversity?

  1. Zygotes are produced by random fusion.
  2. Gametes are created through meiosis.
  3. Diploid spores undergo independent assortment during mitosis.
  4. The zygote undergoes meiosis to generate a haploid sporophyte.

Hint:

A