XII. Plantae
A. Description
B. Reproduction
C. Nonvascular & Vascular
D. Plant Groups & Divisions
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Slides Notes on Plantae - Environment Ecology Evolution | BIO 1060, Study notes of Ecology and Environment
Material Type: Notes; Professor: Boldyreff; Class: Environment Ecology Evolution; Subject: Biology; University: Cuyahoga Community College District; Term: Unknown 2003;
Typology: Study notes
Pre 2010
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XII. Plantae
A. Description B. Reproduction C. Nonvascular & Vascular D. Plant Groups & Divisions
A. Description
- Most are photosynthetic autotrophs, exception- Cuscuta Grammica
- Unicellular & multicellular with cell walls of cellulose
- Chlorophyll A & B, primary photosynthetic pigments and carotenoids & xanthophyll, accessory pigment
1. Asexual Progeny
a. Genetically identical clones b. Adventitious plantlets, runners, rhizomes, suckers, & tubers
1. Sexual Progeny
a. Genetically diversity b. Fertilization, seedless plants c. Pollination then fertilization, seed-bearing plants d. Isogamy vs heterogamy e. Alternation of Generations- sporophyte stage, sporic meiosis, & gametophyte stage
C. Nonvascular or Vascular
- Nonvascular- low to ground found in moist or aquatic environments; algae, mosses, & allies
- Vascular (Tracheophytes) - most are taller with true roots, stems, & leaves to transport water, nutrients, & waste; ferns, gymnosperms, & angiosperms
D. Plant Groups & Divisions
- Seedless Plants
- Seed-bearing Plants
a. Nonvascular Aquatic
Seedless Plants
1.) Chlorophyta- green algae 2.) Rhodophyta- red algae
1.) Chlorophyta
a.) Mostly freshwater, also marine & even moist soil b.) Cell wall of cellulose, chlorophyll a & b, & starch inside chloroplasts c.) Some have orange, red, or rust pigments d.) Unicellular- Chlorella & Chlamydomonas , Colonial- Volvox , Filamentous- Spirogyra , & Multicellular- Ulva
Cymopolia barbata
www.hrw.com
1.) Chlorophyta- green algae
1.) Chlorophyta- green algae
d.) Chlamydomonas sp.
http://www.keweenawalgae.mtu.edu/ALGAL_IMAGES/chlorophyceans/Chlamydomonas_p12_osceolapt6a_402.jpg
d.) Chlamydomonas sp
http://biology.ecsu.ctstateu.edu/ChlamyTeach/chlamymain.htm
d.) Chlamydomonas sp
http://mac2031.fujimi.hosei.ac.jp/PDB/Images/Chlorophyta/Volvox/index.html
d.) Volvox sp
(1.) Filamentous, end-to-end chain of cells (2.) Form mats in ponds & streams (3.) Asexual or sexual, haplontic