Concept 29.4

Question:
I. What are a few key differences between seedless vascular plants and bryophytes?

Answers:
a) Bryophytes: have dominant gametophytes; are non-vascular plants. Seedless vascular plants: have dominant sporophyte; are vascular plants, and the evolution of true plants.

Question:
II. What is the major difference between most lycophytes and most ferns and their relatives?

Answer:
a) Most lycophytes have microphylls, whereas ferns and most fern relatives have megaphylls.