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Plants J.Sample 2015
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Review Photosynthesis: The process that plants use to make food using energy from the sun. Requires – Sunlight – Water – Carbon Dioxide – Chlorophyll Produces – Sugar in the form of glucose – Oxygen
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Parts of a Plant Flower: – Produces seeds Leaves: – Produce food using photosynthesis Stem: – Supports the plant – Transports water and food Roots: – Anchor plant in ground – Absorb water and nutrients from the soil
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Parts of a Flower Stigma – Stick top of pistil, accepts pollen Pistil – Female part of the flower Stamen – Male part, makes pollen Petal – Attracts pollinators Sepal – Leaf like part that protects the bud Bud – Young flower
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Parts of a Flower Ovary – Round bottom of a flower where seeds form. Ovule – Inner part of the ovary the contains the eggs that will become seeds
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Pollination Fertilization Pollination: – When pollen from the stamens is transferred to the stigma. Fertilization – When the pollen unites with the egg in the ovary and forms seeds.
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Cells All living things are made of cells. Cells carry all life processes. New cells come from existing cells A cell is the smallest unit of a living thing that can carry out the basic processes of life.
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Cells Most cells are to small to be seen with the naked eye. A microscope can make many parts of a cell visible. An egg is an example of a large cell, giant squid can have nerve cells up to 36 feet long.
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Cell Divison New cells come from existing cells. The process of cell division is called mitosis.
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Plant Cells Tend to be rectangular Cell Wall – Thick, rigid layer of fiber that provides shape and support Cell Membrane – Layer of protein and fat just inside the cell wall, gate keeper Vacuole – Holds liquids, (water), in the cell, helps cell maintain its shape. Chloroplast – Convert sunlight into energy through photosynthesis. Cytoplasm – Jelly like material that contains a cell’s organelles, (parts). Nucleus – The main control center of a cell, its “brain”.
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Animal Cell Spherical or irregular shapes Cell Membrane Nucleus Cytoplasm Vacuole Mitochondria – Convert energy into sugars and starches – Also found in plants
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Animal V. Plant Cells Make a Venn diagram.
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Grouping Things are grouped according to characteristics. – Breakfast food vs dinner food – Summer clothes vs winter clothes – Living vs non living Living things are categorized as plant and animal Animals are further separated into vertebrate and invertebrate. Plants into vascular and nonvascular
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Invertebrates Animals are differentiated from plants because most can move freely. Invertebrates are animals without back bones (vertebrae) Invertebrates make up 97% of the animal kingdom Common invertebrates are insects, worms, crustaceans, mollusks
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Vertebrates Animals with backbones B-FARM – Birds – Fish – Amphibians – Reptiles – Mammals
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Vascular Plants Have vascular tissues – Tubes to distribute water and food through out a plant. This allows vascular plants to get much bigger than nonvascular plants.
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Nonvascular Plants Do not have vascular bundles to transport food and water Are much smaller than vascular plants. – Mosses – Fungi – Molds
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Links Ppts and interactives Classification ideas
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