12-1Coloniz of land_Lecture 36

12-1Coloniz of - Plants The Conquest of Land Organic food Oxygen Habitat Medicines Fibers(cellulose Building materials Biofuels Bryophytes(e.g

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
5/10/11 The Conquest of Land Organic food Oxygen Habitat Medicines Fibers (cellulose) Building materials Biofuels ü Bryophytes (e.g. mosses) ü Lycophytes ü Pteridophytes (e.g. ferns) Gymnosperms (e.g. conifers Angiosperms (flowering
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
5/10/11 Resistant polymers: sporopollenin, lignin,& cutin (the “bones” of plant fossils) Plant evolutionary history can be Traced with molecules & fossils
Background image of page 2
5/10/11 Plants evolved from aquatic, autotrophic protists whose modern descendants are known as charophycean green algae .
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
5/10/11 From charophycean algae, plants inherited: 1. Primary plastids with 2. Multicellularity with intercellular communication–plasmodesmata 3. Sexual reproduction with egg ± sperm produced by mitosis (not by meiosis) .
Background image of page 4
5/10/11 4. Cellulose that is fairly resistant to microbial breakdown
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
5/10/11 6. Placenta Tissue composed of cells that are specialized for rapid transport of nutrients from mother to embryo (increases SA for membrane transport).
Background image of page 6
5/10/11 New features of early plants (not present in algal relatives)
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 8
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/10/2011 for the course BIO 103 taught by Professor Geek during the Spring '11 term at Wisconsin.

Page1 / 21

12-1Coloniz of - Plants The Conquest of Land Organic food Oxygen Habitat Medicines Fibers(cellulose Building materials Biofuels Bryophytes(e.g

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online