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Learn about the diversity of plants, their adaptations for living on land, and their complex life cycles. Explore the different types of plants, including nonvascular and vascular plants, and understand the importance of autotrophs and eukaryotes in the plant kingdom.
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CH 10 SEC 1 THE PLANT KINGDOM
WHAT IS A PLANT? • KEY- NEARLY ALL PLANTS ARE AUTOTROPHS? (ORGANISMS THAT PRODUCE THEIR OWN FOOD). • KEY- ALL PLANTS ARE EUKARYOTES? (ORGANISMS THAT CONTAIN A NUCLEUS) AND ALL PLANT CELLS ARE SURROUNDED BY CELL WALLS.
WATCH PLANT GROWTH TIME LAPSE https://www.youtube.com/watch?v=W-FO8tZQGfk https://www.youtube.com/watch?v=W-FO8tZQGfk https://www.youtube.com/watch?v=oDBX2gCXxYw
ADAPTATIONS FOR LIVING ON LAND • KEY- TO SURVIVE ON LAND, PLANTS MUST HAVE STRUCTURES THAT ALLOW THEM TO OBTAIN H2O AND OTHER NUTRIENTS FROM THEIR SURROUNDINGS, RETAIN H2O. • KEY-THEY MUST ALSO BE ABLE TO TRANSPORT MATERIALS IN THEIR BODIES, SUPPORT THEIR BODIES, AND REPRODUCE.
ADAPTATIONS CONT’D • CUTICLE- IS THE WAXY H2O PROOF LAYER THAT HELPS PLANTS REDUCE H20 LOSS. • VASCULAR TISSUE- CONSISTS OF TUBE-LIKE STRUCTURES INSIDE A PLANT THROUGH WHICH H20, MINERALS, AND FOOD MOVE.
Classification of plants • Key- scientist informally group plants into two major groups- • 1. nonvascular plants 2. vascular plants. • Nonvascular plants- low growing, lacking a well developed system for transporting water and other materials. Moist/ damp environments' Ex- moss
http://www.brainpop.com/science/diversityoflife/seedlessplants/http://www.brainpop.com/science/diversityoflife/seedlessplants/
Vascular plants • Vascular plants- Better suited for life on dry land. Well developed vascular tissue to transport h2o and other materials, quickly and efficiently. • KEY- THEY Can grow tall, covers most plants and trees there are 3 main types • 1. Seedless vascular plants- reproduce by making spores. Ex- ferns
Vascular cont’d • 2. Gymnosperms- are vascular plants that reproduce by seeds they do not form flowers or fruits. Ex- pine trees • 3. Angiosperms- are vascular plants that flower, and produce seeds that are surrounded by fruit. Ex- cactus, wheat,
Life cycle • Key- plants have complex life cycles that include 2 stages the sporophyte stage and the gametophyte stage. • Sporophyte- the plants produces spores, tiny cells that can grow into new organisms. • Gametophyte- plants produce sex cells, or gametes. The two types are sperm and egg cells. • Sketch figure 6 Plant Life Cycle p. 369
BRAINPOP • http://www.brainpop.com/science/diversityoflife/seedlessplants/ • http://www.brainpop.com/science/diversityoflife/seedplants/
Write the Question and answer p. 369 • 1-ab • 2-ab • 3-ab • 4-ab