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Published byWalter Marsh Modified over 8 years ago
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Classification of Plants
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2 The Plant Kingdom (main characteristics) 3) They have chloroplasts in the cells 2) Plants make their own food by photosynthesis 1) Multi-celled organisms organelle where photosynthesis takes place chloroplasts- ● They’re green because they have chlorophyll ● The chemical that gives plants their green color Chlorophyll- ● Traps light energy for photosynthesis
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A plant can be divided into 3 parts leaf
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Plant Classification Non-flowering (spores) Plants Flowering No true roots, stem and leaves Mosses Ferns Gymnosperms Seeds and fruits Angiosperms Naked seeds 2 leaves in the seed Monocots Dicots 1 leaf in the seed True roots, stem and leaves
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Plant Kingdom Flowering Plants Non-flowering Plants
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2 groups Ferns Mosses Non - flowering Plants Do NOT produce flowers
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No true roots, No conductor vessels Characteristics of Mosses Simple stems & leaves Have rhizoids for anchorage Reproduction: by spores made in capsules They live in damp shady places The simplest plants
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Examples of Mosses
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spores Spore-producing capsule
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roots, feathery leaves & underground stems Characteristics of Ferns vascular tissues have vascular tissues (transport & support) Dampshady Damp & shady places spore-producing organs Reproduction: by spores. The spore-producing organs are located on the underside of leaves
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underground stem root A leaf (finely divided into small parts)
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2 groups GymnospermsAngiosperms Flowering Plants ...roots, stems, leaves ...vascular tissues (transport) ...flowers and seeds Flowering plants have…
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roots, woody stems Characteristics of Gymnosperms needle-shaped leaves tall evergreen trees cones with insignificant flowers live in dry places vascular tissues (transport) naked seeds in female cones
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needle-shaped leaves
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Male cones (in clusters) Female cones (scattered)
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Seeds are enclosed by a fruit Characteristics of Angiosperms They have true flowers Herbaceous plants, shrubs and trees This is the largest phylum with over 240,000 species
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2 subgroups of ANGIOSPERMS Determined by counting the number of seed leaves or COTYLEDONS 1.MONOCOTS: they have one leaf in their seeds. 1.DICOTS: they have 2. two leaves in their 3.seeds.
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Monocotyledons Parallel veins
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one seed-leaf Characteristics of Monocotyledons leaves have parallel veins herbaceous plants e.g. grass, maize
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Dicotyledons Veins in network
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two seed-leaves Characteristics of Dicotyledons leaves have veins in network e.g. trees, sunflower, rose
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Plant Classification Non-flowering (spores) Plants Flowering No true roots, stem and leaves Mosses Ferns Gymnosperms Seeds and fruits Angiosperms Naked seeds 2 leaves in the seed Monocots Dicots 1 leaf in the seed True roots, stem and leaves
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