Lecture+17+W+2012

Lecture+17+W+2012 - Vascular plant synapomorphies...

Info iconThis preview shows pages 1–15. Sign up to view the full content.

View Full Document Right Arrow Icon

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

View Full DocumentRight Arrow Icon

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

View Full DocumentRight Arrow Icon

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

View Full DocumentRight Arrow Icon

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

View Full DocumentRight Arrow Icon

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

View Full DocumentRight Arrow Icon

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

View Full DocumentRight Arrow Icon

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

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

Unformatted text preview: Vascular plant synapomorphies Sporophyte Dominant life cycle example: Fern Life Cycle Vascular Tissue xylem phloem Early clades of vascular plants Rhyniophytes Lycophytes (club mosses, etc) Pteridophytes (Ferns and relatives) Relationships in early clades Megaphylls Chloroplast DNA inversion Lecture 17: Vascular Plants 2 Xylem H 2 O H 2 O Root Leaf Stem xylem Xylem stomata TranspirationCohesionTension Mechanism 200 - 400 Liters PER DAY can be lost by a tree no energy required for water movement. Water can be moved up to the tips of giant redwoods Figure 35.6 The Transpiration CohesionTension Mechanism Amazing facts -Transpiration Sieve tube element Companion cell Phloem Cells Clicker question Vascular tissue in land plants performs the following functions: A. Transport of water B. Support of the plant body C. Transport of carbohydrates D. A and C but not B E. A, B and C Vascular plant synapomorphies Sporophyte Dominant life cycle example: Fern Life Cycle Vascular Tissue xylem phloem Early clades of vascular plants Rhyniophytes Lycophytes (club mosses, etc) Pteridophytes (Ferns and relatives) Relationships in early clades Megaphylls Chloroplast DNA inversion Lecture 17: Vascular Plants 2 Rhyniophytes (extinct) The Rhyniophytes The Rhyniophytes http://www.abdn.ac.uk/rhynie/flora.htm Reconstruction of a Rhyniophyte http://www.abdn.ac.uk/rhynie/flora.htm XY PH Reconstruction of a Rhyniophyte Clicker question The Rhyniophytes were DISTINCT from the Bryophytes in having : A. A sporophyte that was branched with terminal sporangia B. Vascular tissue C. Rhizoids D. All of the above E. A and B above Rhyniophytes (extinct) The Rhyniophytes True roots Vascular plant synapomorphies Sporophyte Dominant life cycle example: Fern Life Cycle Vascular Tissue xylem phloem Early clades of vascular plants Rhyniophytes Lycophytes (club mosses, etc)...
View Full Document

This document was uploaded on 03/18/2012.

Page1 / 64

Lecture+17+W+2012 - Vascular plant synapomorphies...

This preview shows document pages 1 - 15. Sign up to view the full document.

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