Green Algae: Precursors of Land Plants

Review Questions

What characteristic of Charales would enable them to survive a dry spell?

  1. sperm with flagella
  2. phragmoplasts
  3. sporopollenin
  4. chlorophyll a

Hint:

C

Which one of these characteristics is present in land plants and not in Charales?

  1. alternation of generations
  2. flagellated sperm
  3. phragmoplasts
  4. plasmodesmata

Hint:

A

A scientist sequences the genome of Chara, red algae, and a tomato plant. What result would support the conclusion that Charophytes should be included in the Plantae kingdom?

  1. The Chara genome is more similar to the red algae than the tomato plant.
  2. All three genomes are distinctly different.
  3. The Chara genome is more similar to the tomato plant genome than the red algae genome.
  4. The tomato plant genome is distinct from the red algae genome.

Hint:

C

Which of the following features does not support the inclusion of Charophytes in the Plantae kingdom?

  1. Charophyte chloroplasts contain chlorophyll a and b.
  2. Charophyte plant cell walls contain plasmodesmata to allow transfer between cells within multicellular organisms.
  3. Charophytes do not exhibit growth throughout the entire plant body.
  4. Charophytes are multicellular organisms that lack vascular tissue.

Hint:

D