reproduction in seed plants. gymnosperm seeds are not enclosed by a protective fruit
DESCRIPTION
1. What structure produces pollen? 2. How is pollen transferred from the male to the female cone?TRANSCRIPT
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Plant Reproduction Reproduction in seed plants
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Gymnosperms Gymnosperm seeds are not enclosed
by a protective fruit
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Gymnosperms1. What structure produces pollen?2. How is pollen transferred from the
male to the female cone?
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Angiosperms Plants that produce flowers and fruits In your notebooks, list some
angiosperms you’re familiar with.
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Angiosperms In gymnosperms, the cone is the
reproductive structure. In angiosperms, the flower is the
reproductive structure.
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Angiosperms1. What is the function of flowers?2. What structures make up the male
parts of a flower?3. The female parts?4. What purpose do the color and
shape of the petals serve?
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A Bee as a Pollinator On which of the bee’s structures can
you observe pollen?
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All seed producing plants can be divided into 2 categories:
GYMNOSPERM Oldest type of seed plant Seeds are NOT enclosed
in a protective coating Needle-like leaves Produce cones for
reproduction Deep roots Mostly trees
ANGIOSPERM Most common type of
seed plant Seeds are protected
inside a fruit Produce flowers for
reproduction Live almost everywhere
on Earth
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Pollination Angiosperms and gymnosperms are
wind pollinated but most angiosperms rely on birds, bats, and insects.
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Seed Dispersal Seeds are dispersed by:1. Wind2. Water3. Animals
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Seed dispersal Animals bury or hide fruits and seeds Animals eat fruits and seeds are not
damaged when they pass through digestive tract
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Seed dispersalSeeds inside dry fruits that have tiny hooks attach to animals or clothing
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Sketch and label a flower Sketch a flower in your notebook and
label the parts.
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Gymnosperm vs. AngiospermWarm-Up
Create a Venn diagram in your notebook. Label the sections Angiosperm, Gymnosperm and Both. Classify each characteristic in the correct category.
____ Seeds protected inside a fruit ____ Reproduces using seeds____ Needle-like leaves ____ Produces cones for reproduction ____ Most common type of seed plant ____ Produces flowers for reproduction ____ Oldest type of seed plant ____ Contains leaves, stems, and roots____ "naked seed" ____ “seeds in a little case” angio (little case) ____ Redwood and pine trees ____ Apple trees and roses____ Uses photosynthesis to make food
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Rafflesia “stinking corpse lily” Foul odor attracts pollinators