Name: ___________________________________Biodiversity Lab # 3 (Helms 24) Ex A: Seedless Tracheophytes Psilophyta (whisk ferns) Lycophyta (club mosses) Sphemophyta (horsetails) Pterophyta (ferns) Label the following diagrams using information from Helms 24 to label the structures and functions.

Distinguish between roots, rhizoids and rhizomes

Be able to describe the life cycle of a fern; distinguish between gametophyte and sporophyte generations and identify which is the dominant stage. Which are haploid and diploid? Be sure you know what a prothallus is and what it contains.

Ex B: Gymnosperms: Coniferophyta, Cycadophyta, Ginkgophyta and Gnetophyta Be able to describe the relationship between microsporophyll, microsporangium, microspore, microgametophyte and pollen.

Be able to describe the relationship between ovule, megasporangium, megaspore and seed.

Angiosperms: Be able to do the following Distinguish between a monocot and dicot flower types. Describe the structures of the male and female parts of a flower. Differentiate the difference between pollination and fertilization.

Be able to identify the major characteristics of teach of the Phyla represented in class, by cards or in the Helms labs 22, 23, 24. Notes can be taken on the back of this page about the jars in class or on notecards.