1) Introduction

Question 1

1) Land plants can be divided into which two groups?

Answer 1

1) Liverworts, hornworts, mosses:

• Lack vascular tissue (xylem & phloem)
• Gametophytes with physically attached sporophyte

2) Ferns, seedless vascular plants, seed-bearing plants:

• Diploid, spore-producing plants
• With vascular tissue (xylem & phloem)

Question 2

2) Gametophyte in the life cycle of land plants may be either..

Answer 2

• free-living and photoautotrophic

or

• heterotrophic (saprophytic or parasitic upon sporophyte)

Question 3

3) List two features of Vascular plants:

Answer 3

1. Vary in size: minute plants to giant trees.
2. Growth may be generalized (apical meristems) or localized (intercalary meristems).