able 3.1. General features of the major groups of ferns and allies. Feature Psilophyta Lycophyta Equisetophyta Pterophyta Representative Psilotum Lycopodium Selaginella Isoetes Equisetum Nephrolepis species Dichotomously branched? Differentiated into roots, stems, leaves? Homosporous or Heterosporous? Type of “Leaves" Type of stele Sporangia Other distinct features

able 3.1. General features of the major groups of ferns and allies. Feature Psilophyta Lycophyta Equisetophyta Pterophyta Representative Psilotum Lycopodium Selaginella Isoetes Equisetum Nephrolepis species Dichotomously branched? Differentiated into roots, stems, leaves? Homosporous or Heterosporous? Type of “Leaves" Type of stele Sporangia Other distinct features

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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