flowerdissectionlab
TRANSCRIPT
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Sexual Reproduction in Plants and Animals
Sexual reproduction is a means for organisms to make "pretty good" copies of themselves
It involves sperm and egg which are produced by meiosis in the male and female reproductive organs
Sexual reproduction also requires fertilization to occur by uniting the sperm and egg
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What we already know about sexual reproduction in humans...The male reproductive organs are called
____________ and they produce ____________.
The female reproductive organs are called ___________ and they produce __________.
Fertilization occurs (sperm and egg unite) in the female reproductive system in the ___________.
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Let's compare sexual reproduction in humans to that in plants...The male reproductive organ is called the ___________ and it produces _____________ (sperm).
The female reproductive organ is called the _________ and it produces _____________ (eggs).
Fertilization occurs (pollen and ovules unite) in the ____________ of the female part of the plant.
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Perfect or Complete Plants: Plants that have both female and male parts (pistil and stamen). These are able to self-pollinate or cross pollinate to produce offspring.
Imperfect or Incomplete Plants: Plants that have either a male part or a female part (pistil or stamen). These plants are able to cross pollinate to produce offspring.
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Sexual Reproduction in Plants: Pollination and Fertilization
Pollination = spreading of pollen from the stamen to the pistil
Self- Pollination = the pollen from a flower spreads to the pistil of the same flower
Cross-Pollination = the pollen from one flower spreads to the pistil of a flower in another location
Fertilization = Pollen + Ovules = Seeds
Seed Dispersal occurs by wind, animals, humans, gravity, insects
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Flower Dissection: Perfect Flower1. Color the
diagram2. Count the parts3. Take apart the male parts.4. Take apart the female parts5. Answer all the questions
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Examining the Flower
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Take the Flower Apart
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Count the Male Parts
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Count the Female Parts
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Dissect the Female Parts
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Draw the Pollen
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Color the Picture
Key:Stamen- redPistil- bluePetals- yellowSepals- greenOvary- Purple
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What parts are associated with the male?
What parts are associated with the female?