BIO 111: FOUNDATIONS OF BIOLOGY

LECTURE 21: "Plant Diversity I"

 

 

Assumed Knowledge:

none

Study Questions:

 

1. How do aquatic and terrestrial habitats differ?

2. What do green algae have in common with true plants?

3.  What are the benefits to life on land for a plant?  What are the challenges?

4.  Algae in deep lakes or the ocean are nutrient limited; explain why photosynthesis is limited to particular places like estuaries and upwellings.

5. Draw the life cycle of a moss.

6. Why are mosses short?

7.  Why are mosses limited to moist environments?

8. What are "tracheophytes"?

9. The major evolutionary innovation seen in mosses is a cuticle. What is a cuticle and how does it represent an adaptation to life on land?