1. CHAPTER 15 OUTLINE
If forest conservation is a balancing act then what factors are being balanced? 1. ecology, conservation 2. economy, human needs
Why do we say that all plants are terrestrial? 1. seaweed, reclassification
How did algae adapt to living on land? 1. dryness 2. protect the adult, protect the young
What are the four stages of plant evolution? 1. bryophytes 2. vascular plants 3. seeds 4. flowers

2. 2
Why is the Carboniferous period important to modern society? 1. liquid fossils 2. fuel
How did gymnosperms adapt to a colder, drier climate? 1. seeds
What is a seed? 1. life support system for embryo
How are angiosperms more advanced than gymnosperms? 1. flowers 2. fruit 3. pollinator coevolution
Why is preserving plant diversity important? 1. morals and ethics 2. economics 3. medicine