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Plant Classification PLANTS!
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Nonvascular Plants Characteristics: Live in MOIST environments
WHY? Absorb WATER and NUTRIENTS from their environment NO vascular tissue! (thin cell walls)
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Nonvascular: MOSSES
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Nonvascular Plants Examples: Mosses Gametophyte is green and fuzzy
Sporophyte is long and slender with capsule at the end Peat moss is used in agriculture and gardening Peat is used as fuel
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Nonvascular: Liverworts
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Nonvascular Plants Liverworts
Found on Moist Rock and Soil beside streams
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Nonvascular: Hornworts
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Nonvascular Plants Examples: Hornworts Found in Moist Soils
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Nonvascular Plants A Moss Plant (Pg. 123)
Drawing: Label: Sporophyte Capsule Stalk Gametophyte Stemlike structure Leaflike structure Rhizoids
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Sphagnum Moss turns to Peat
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Vascular Seedless Plants
Characteristics: Have vascular tissue- system of tubelike structures inside a plant that water, minerals, and food move through Do NOT produce seed-reproduce with spores Live in moist surroundings so sperm can swim to eggs
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Seedless Vascular Plants
Examples: Ferns Size range is small to 5 meters tall! Fronds are FERN LEAVES
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Club Mosses How are club mosses different from “true” mosses?
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Seedless Vascular Plants
Examples: Club Mosses Grow on moist woodlands near streams
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Horsetails
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Seedless Vascular Plants
Examples: Horsetails Steams are jointed
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Seedless Vascular Plants FERN: Page 128
Drawing: Label: Frond Spores Stem Roots
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Spores on a Fern Frond
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Ticket Out the Door On a piece of paper draw the Venn Diagram below. Include: 2 Similarities between Nonvascular and Seedless Vascular Plants 2 Differences between Nonvascular and Seedless Vascular Plants Nonvascular Seedless Vascular
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Gymnosperms Characteristics: Seed plant that produce Naked Seeds
Have needle-like or scale-like leaves and deep growing roots
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Gymnosperms Examples: Cycads- palm trees with cones
Conifers- Cone bearing plants; aka Evergreens because they keep their leaves year-round Ginkgoes- Ginkgo biloba Gnetophytes- live in hot desert and tropical rainforest
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Cycads Look like Palm trees with cones
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Conifers Cone Bearing Plants Evergreens (keep leaves year-round)
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Ginkgoes Only ONE species: Ginkgo biloba
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Gnetophytes Live in hot deserts and tropical rainforests
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Gymnosperm Life Cycle Use POLLEN and SEEDS to reproduce!
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Seeds- 3 main parts
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Seed Dispersal The scattering of seeds so they are away from the parent plant.
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Seed Dispersal Video What are some ways that seeds are dispersed?
What are the 3 parts of a seed?
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Angiosperms Characteristics: Produce flowers
Seeds are enclosed in fruits
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Angiosperms Characteristics: FLOWER
Reproductive structure of an angiosperm
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Angiosperms Characteristics: FRUIT
Ripened ovary and other structures that enclose one or more seeds (Fruit Development) Dandelion (
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Angiosperms Plant Part MONOCOT DICOT Seed One cotyledon 2 cotyledons
Leaf Parallel veins Branching veins Stem Bundles of vascular tissue scattered Bundles of vascular tissue arranged in a ring Flower Parts in 3 Parts in 4 or 5 Example Tulip, Grass, Wheat, Corn Roses, Violets, Dandelions
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Monocots vs. Dicots
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Angiosperms- MONOCOTS
Tulips Grass Wheat Corn
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Angiosperms- DICOTS Roses Violets Dandelions
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Pollination
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Angiosperm Life Cycle
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Drawings POLLEN OVARY (Label OVULE) 100x
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