Student Center
|
Instructor Center
|
Information Center
|
Home
Plants and Society, 3/e
Student Center
Glossary
Plant Tissues
Botany Issues Map
Botany Careers
Scientific Names
Biological Controls
Useful Plants
Houseplants
Metric Conversions
PowerWeb
Choose a Chapter
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 12
Chapter 13
Chapter 14
Chapter 15
Chapter 16
Chapter 17
Chapter 18
Chapter 19
Chapter 20
Chapter 21
Chapter 22
Chapter 23
Chapter 24
Chapter 25
Chapter 26
Chapter Outline
Chapter Concepts
Chapter Summary
Web Links
Quiz
Concept Quizzes
Feedback
Help Center
Diversity of Plant Life
Concept Quizzes
1
In the majority of land plants, the sporophyte is the dominant stage, while the gametophyte is reduced, becoming completely dependent upon the diploid phase in the most advanced divisions.
Why has natural selection favored the dominance of the diploid sporophyte over the gametophyte?
2
The discovery of the Wollemi pine emphasizes the value of national parks in the protection of natural habitats.
What are some of the other benefits of national parks?
2003 McGraw-Hill Higher Education
Any use is subject to the
Terms of Use
and
Privacy Policy
.
McGraw-Hill Higher Education
is one of the many fine businesses of
The McGraw-Hill Companies
.
2003 McGraw-Hill Higher Education