CLASSIFICATION OF LIVING ORGANISMS GR 7 PART 2 CAPS DEC 2013

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Information about CLASSIFICATION OF LIVING ORGANISMS GR 7 PART 2 CAPS DEC 2013
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Published on February 21, 2014

Author: LDFREDERICKS

Source: authorstream.com

PowerPoint Presentation: Sooper Sciences Series The Classification of Living Organisms PART 2 BOOK 13 LIFE AND LIVING - GRADE 7 1 (C) HALFORD HOUSE PUB / L.D. FREDERICKS 2013 PowerPoint Presentation: SOOPER SCIENCES SERIES authored by L. D. Fredericks published by HALFORD HOUSE PUBLISHERS, JOHANNESBURG, SOUTH AFRICA . This supplementary material may only be downloaded by schools and educators who have purchased the entire series of 16 books. Purchases may be made at www.basicallybooks.co.za Further information may be acquired at info@halfordhouse.co.za © All rights reserved. 2 (C) HALFORD HOUSE PUB / L.D. FREDERICKS 2013 PowerPoint Presentation: VASCULAR NON-VASCULAR GYMNOSPERMAE PTERIDOPHYTA BRYOPHYTA ALGAE ANGIOSPERMAE Pine Tree Dicotyledonnae Monocotyledonnae Rabbit’s Foot Green algae Red algae Brown algae Moss Maize Plant Bean Plant 3 (C) HALFORD HOUSE PUB / L.D. FREDERICKS 2013 PowerPoint Presentation: DIVISION ALGAE Mostly unicellular, primitive plants that often live in water. KELP VOLVOX SPIROGYRA CHLAMYDAMONAS DIATOMS RED, GREEN AND BROWN SEA WEED 4 (C) HALFORD HOUSE PUB / L.D. FREDERICKS 2013 PowerPoint Presentation: flagellum chloroplast nucleus THE EXTERNAL STRUCTURE OF THE CHLAMYDAMONAS Chlamydamonas as seen through and electron microscope 5 (C) HALFORD HOUSE PUB / L.D. FREDERICKS 2013 PowerPoint Presentation: DIVISION BRYOPHYTA Multicellular plants that are only 3 cm – 10ccm tall. Found in wet places like under trees and on rocks in rivers. LIVERWORT MOSS 6 (C) HALFORD HOUSE PUB / L.D. FREDERICKS 2013 PowerPoint Presentation: capsule containing sporangia and spores ‘leaves’ and ‘stem’ rhizoid THE EXTERNAL STRUCTURE OF THE MOSS PLANT 7 (C) HALFORD HOUSE PUB / L.D. FREDERICKS 2013 PowerPoint Presentation: DIVISION PTERIDOPHYTA These include the ferns that were dominant during the Carboniferous Period and were important in the formation of coal. SWORD FERN ASPEN FERN BIRD’S NEST FERN TREE FERN RABBIT’S FOOT FERN 8 (C) HALFORD HOUSE PUB / L.D. FREDERICKS 2013 PowerPoint Presentation: THE EXTERNAL STRUCTURE OF THE RABBIT’S FOOT FERN frond pinnule rachis rhizome roots 9 (C) HALFORD HOUSE PUB / L.D. FREDERICKS 2013 PowerPoint Presentation: DIVISION GYMNOSPERMAE Have unprotected seeds that often develop inside a cone. PINE TREES are indigenous to the Northern Hemisphere. YEW TREE CYCADS are ancient Gymnosperms that still exist. YELLOW WOOD TREE – South Africa’s National Tree 10 (C) HALFORD HOUSE PUB / L.D. FREDERICKS 2013 PowerPoint Presentation: 1 2 3 4 5 Female cones Young female cones. Female cone after three years. Male cones 1. Seeds germinate and mature into the adult pine tree plant. 2. The male cones produce pollen. 3. The pollen is dispersed by the wind. 4. The pollen fertilizes the egg cell inside the female cone. 5. The unprotected seeds develop and are dispersed by the wind. 11 (C) HALFORD HOUSE PUB / L.D. FREDERICKS 2013 PowerPoint Presentation: MONOCOTYLEDONNAE DICOTYLEDONNAE DIVISION ANGIOSPERMAE Have seeds that are protected by a fruit. LILIES GRASSES IRIS MAIZE PLANT ALOES COSMOS DAISY NASTURTIUM MAGNOLIA BEAN PLANT MONOCOTYLEDONS have one cotyledon in the seed DICOTYLEDONS have two cotyledon in the seed 12 (C) HALFORD HOUSE PUB / L.D. FREDERICKS 2013 PowerPoint Presentation: two cotyledons seed coat opening in seed coat plumule axis radicle embryo one cotyledon food storage plumule radicle embryo 13 (C) HALFORD HOUSE PUB / L.D. FREDERICKS 2013 PowerPoint Presentation: SOURCES Fredericks, L.D. , Sooper Sciences Series Book 13 Grade 7 Life and Living . Halford House, 2013 IMAGES All images are believed to be in the Public Domain www.wikimedia.com www.publicdomainfiles.com www.freeimages.com Some images belong to the author © All rights reserved 2013 14 (C) HALFORD HOUSE PUB / L.D. FREDERICKS 2013

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