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Published byBenjamin Gibson Modified over 9 years ago
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Also called flowering plants Produce flowers Produce fruit
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Almost everywhere Artic Tropical jungles Desserts Ocean’s edge
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All flowers have the same function Reproductive structure of angiosperms
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Sepals and Petals Stamens Pistils Ovary Some flowers do not have all the parts
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Protect the developing flower Enclosed in Sepals when flower is a bud Often green in color
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Colorful leaf-like structures Shape, size, and number can vary from flower to flower
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Most flowers have male and female reproductive parts Stamens are the male reproductive structure Stalk = filament Top = anther Pollen is produced in the anther
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Female reproductive structure Found in center of the flower Can have more than one Tip = stigma Tube = style
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Found at the bottom of the pistal Protects seeds as they develop Can have more then one ovule
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Color, shape, and sent attract animals Insects, birds, bats etc.
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Pollination Fertilization Fruit Development Seed Dispersal
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Grain of pollen falls on the stigma Nectar (sugar) located deep inside the flower Animals want nectar Brush against the anthers Some pollen can drop on stigma as animal leaves
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Pollen falls into stigma and meets the ovule Can fall into same flower or another similar one Sperm meets egg to become a zygote Then develops into the seed embryo
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As seed develops, ovary changes into a fruit Can incase one or more seeds Examples: apples, peas, peppers, tomatoes
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Fruit is meant to be eaten Animals that eat the fruit will help disperse the seeds
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2 types Monocots Dicots
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3 or multiple of 3 petals on flowers Long slender leaves, veins run parallel to each other Random bundles of vascular tissue scatter through the stems
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4 or 5 petals, or multiples of those, in the flower Wide leaves with branching veins Bundles of vascular tissue arranged in rings
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Food Clothing Rubber, kind of Medicines furniture
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