University:
York University
Course:
SC/BIOL 2021 | Cell Biology
Academic year:

2019
Views:

423

Pages:

5
Author:

Nick T.

Green Algae 3/8/19 After Spring Break, we will be getting annual plants. They germinate during the warmer temps. Stolon vs Rhizome Stolon - lies above the ground. Rhizome - grows @ the same time | Place. → Proifera grows @ the same time | Place. → No divisions of labor = unicellular 2 types of flagella: Acronematic - most common and Smooth Pleuronomatic - Feathery Flagella could be in 1's, 2's, or clusters. Used for movement and attachment. II. Chlorophyta Food Storage product is Starch. Shell is growing green algae in tubes for biofuel. The oil produced is carbon and nitrogen enriched. Orders of Chlorophyta: A. Volvocales unicellular - 1, 2, 4, or 8 flagella colonial (No division of labor) → Lack a large central vacuole. → uninucleate - most common. Reproduction: Sexual or asexual primarily haploid. Sexual reproduction: Isogamy = 00 Anisogamy = Ο Δ Dogamy = Asexual = Sexual Reproduction: Haploid <-> Diploid (2n) Zygote -> muospores Cenobium go into dormancy Hibernation is to hibernation as hot/dry is to estivation Volvox Oogamy Many freshwater B. Uvales Anisogamy C. Cladophorales Branched: cladopnora Unbranched: ketomorpha Alternation Generation. Isomorphic. n and 2n look the same. D. Calupales - Calurpa Holdfast Halimeda = Codium = Black Spongey. May 3rd -> Test + Journal April 20 -> Mounts due April 24 30 -> "in order" index 12345 -> 30 -> Algae -> 3 -> Seagrasses TGEG HD E. Order - Dasyclades Reproduction - Operculate cyst = Isogamy Mermaid's wineglass - Acetabularia crenulata • Bay + calm waters. Green Horsetails - Batophora Oerstedi • Mixed w/ Mermaid's cup • calm waters F. Order = Zygmatayles "conjugation reproduction" Genus = Spirogyra - sexual + asexual Zygnema = Starburst chloroplasts Oedogonium = chloroplasts are scattered. → Reproduces = Forms oogonium ♀ → vegetative cells. (cont) Desmids" or Desmidacea Larger = hypotheca Small = epitheca They'll break apart and grow other part. Part of Desmids = Cosmarium Division: Charophyta chlorophytes & other algae links CaCO3 Chara - algae Genus 2 flagella = in size. Division: Euglenophyta