plant evolution. plant classification based on: 1.vascular system tubes that carry water &...
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Plant evolutionPlant evolution
Plant ClassificationPlant ClassificationBased on:Based on:
1.1. Vascular systemVascular system Tubes that carry water & nutrients Tubes that carry water & nutrients
throughout plantsthroughout plants
2.2. Reproductive structuresReproductive structures
I.I. SporesSpores – single cell – single cell
II.II. SeedsSeeds – have many cells & food for the – have many cells & food for the embryo plantembryo plant
a.a. GymnospermsGymnosperms – put seed in cones – put seed in cones
b.b. AngiospermsAngiosperms – put seed in flower – put seed in flower ovaryovary
Plant Classification FlowchartPlant Classification Flowchart
Bryophyte life cycleBryophyte life cycle The gametophyte is the dominant The gametophyte is the dominant
generationgeneration
Diversity of bryophytesDiversity of bryophytes
MOSSES
LIVERWORTS
HORNWORTS
Bryophyte DrawingsBryophyte Drawings
Draw the two different bryophytes Draw the two different bryophytes (mosses and liverworts)(mosses and liverworts)
Label the different structures (look at Label the different structures (look at pictures in book, p. 425)pictures in book, p. 425)
Write a short paragraph explaining the Write a short paragraph explaining the differences between mosses and differences between mosses and liverworts liverworts
The sporophyte is the dominant The sporophyte is the dominant generation in the pteridophytes’ life cyclegeneration in the pteridophytes’ life cycle
Ferns Ferns HorsetailsHorsetails Club Club mossesmosses
SWORD
BRACKEN
LADY
LICORICE
FERNS
http://www.dolphinplace.com/ferns.htm
Pteridophyte DrawingsPteridophyte Drawings
Draw the four different ferns and the Draw the four different ferns and the horsetailhorsetail
Label the different structures (look at Label the different structures (look at pictures in book, p. 428, and slides)pictures in book, p. 428, and slides)
Write a short paragraph explaining some Write a short paragraph explaining some differences between two of the ferns you differences between two of the ferns you drew drew
In gymnosperms the sporophyte In gymnosperms the sporophyte generation is dominantgeneration is dominant
Gymnosperm diversityGymnosperm diversity
Ginkgo
Cycads
Gnetophytes
Conifers