Lab 11. Overview  Instructor checks pre-labs. in lab notebook and collects papers (2 copies).  Diversity and Plant Life Cycle Overview.  Examine prepared slides, models, live organisms, and preserved specimens  Distribution of papers for peer review and discussion of peer reviews.  Instructor overview of diversity.  Complete in-class exercise as quiz over diversity and life cycle.

Eukaryote Phylogeny Excavata Animalia Rhizaria Fungi Chrom- alveolata Plantae eukaryotic cells (nucleus, etc.) Amoebozoa most protozoans, brown algae, & water “molds” starch, cellulose glycogen chitin

Animal Life Cycle The ONLY haploid stage (single celled)

Alternation of Generations multicellular haploid (1n) stage multicellular diploid (2n) stage mitosis zygote

Alt. of Gen. (Seed Plants) mitosis zygote mitosis embryo (in seed) female male multicellular haploid (1n) stages multicellular diploid (2n) stage in ovule = pollen grain

Plant Phylogeny Rhodophyta Chlorophyta Bryophyta Ginkgophyta Pterophyta liverworts club “mosses” Coniferophyta Anthophyta chlorophyll b, starch cuticle with air pores, gametangia, embryos, thick spore walls floridean starch xylem, phloem, sporophyte dom. seeds, pollen, heterospory flowers, dbl. fert resin can.

Moss Life Cycle multicellular haploid (1n) stage multicellular diploid (2n) stage mitosis zygote attached & dependent

Fern Life Cycle multicellular haploid (1n) stage multicellular diploid (2n) stage mitosis zygote attached & dependent mitosis now independent

mitosis now independent embryo sporo. dependent on ♀ gametophyte In seed

Flowering Plant Life Cycle multicellular haploid (1n) stage multicellular diploid (2n) stage mitosis zygote embryo (in seed) embryo sporo. NOT dependent on ♀ gametophyte in seed, dependent on TRIPLOID ENDOSPERM

Flowers Few Fused Carpels Many Separate Carpels

Kingdom Fungi yeast  NOT PLANTS!  Cell walls with chitin and heterotrophic  Energy stored as glycogen  Chitin in cell walls  Hyphae = fungal filaments one cell thick (singular = hypha)