Bryophytes

Review Questions

Which of the following structures is not found in bryophytes?

  1. a cellulose cell wall
  2. chloroplast
  3. sporangium
  4. root

Hint:

D

Stomata appear in which group of plants?

  1. Charales
  2. liverworts
  3. hornworts
  4. mosses

Hint:

C

The chromosome complement in a moss protonema is:

  1. 1n
  2. 2n
  3. 3n
  4. varies with the size of the protonema

Hint:

A

Why do mosses grow well in the Arctic tundra?

  1. They grow better at cold temperatures.
  2. They do not require moisture.
  3. They do not have true roots and can grow on hard surfaces.
  4. There are no herbivores in the tundra.

Hint:

C

A botanist travels to an area that has experienced a long, severe drought. While examining the bryophytes in the area, he notices that many are in the same life-cycle stage. Which life-cycle stage should be the most common?

  1. zygote
  2. gametophyte
  3. sporophyte
  4. archegonium

Hint:

B