L5-plant diversity handouts

Two groups gymnosperms angiosperms owering plants

Info iconThis preview shows page 1. Sign up to view the full content.

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

Unformatted text preview: scular plant phylogeny Lycophytes “Club mosses” (not a moss!) Microphylls Dichotomous branching Spores produced in sporangia in strobilus (no seeds) •  Uncommon now •  Primary parent material for coal! •  •  •  •  Ferns and Fern Allies none of these produce seeds either •  Horsetail –  Unbranched stem, small leaves in whorls •  Whisk ferns –  No leaves, no roots, dichotomous branching •  Ferns –  Most diverse –  Have true leaves, roots –  Both gametophyte and sporophyte are green 6 1/28/14 Fern life cycle •  Seeds: Seed plants –  protect, nourish embryo –  Allow survival through unfavorable condi*ons •  Most successful: > 90% of biomass –  Many spec...
View Full Document

This document was uploaded on 03/13/2014 for the course BIOLOGY IDK at University of Iowa.

Ask a homework question - tutors are online