Chapter 17 Flashcards
Four types of Plants
Non-Vascular
Vascular Seedless
Naked seeds
Angiosperms
What is autorophic
Energy from sun via photosynthesis
minerals & water from soil
Any cell can become the whole plant
Totipotent
What is Alternation of Generations
Life cycle with diploid and haploid stages
Haploid stage
Gametophyte
Diploid stage
Sporophyte
When did Plants first evolve
475 million years
What did plants have to do to adapt to land
Conserve water (cuticle)
Getting nutrients and water (roots)
Reproduce (pollen, seeds, flowers)
Two forms of vascular tissue
Xylem (water)
Phloem (sugars)
Mosses phylum
Bryophyta
Fern Phylum
Pterophyta
When did Ferns appear
380 million years
Conifer Phylum
Coniferophyta
When did Gymnosperms arrive
365 million years ago
Different Gymnosperms
Cycadophyta
Ginkgophyta
Coniferophyta
Gnetophyta
Arrival of Cycads
250 million
When did Ginkgo arrive
270 million
3 Gneophyta
Gnetum
Ephedra
Welwitschia
Coniferophyta arrive
300 million
Angiosperm phylum
Anthophyta
When did angiosperms arrive
180-200 million years ago