Flashcard Set Preview
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| 1 |
Name characteristics of diploid plants
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Sporophyte generationproduce haploid spores by meiosisspores divide by mitosis to give rise...
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| 2 |
Name characteristics of haploid plants
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Gametophyte generationProduce gametes (sperm and egg)Fusion of gametes creates a sporophyte
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| 3 |
Characteristics of Angiosperm life cycle
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dominant sporophyte generationgametophyte generation is very reduced
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| 4 |
Name the parts of a flower
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StamensSepalsPetals Carpels
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| 5 |
Function and structure of sepals
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enclose and protect the floral bud before it opensusually green and leaflike in appearance
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| 6 |
Function and structure of petals
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brightly colored to attract pollinators
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| 7 |
Function and structure of stamens
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Reproductive organ (male)Filament holds up the anther which produces microspores that form...
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Function and structure of carpels
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Reproductive organ (female)houses the ovarylong slender neck called a stylestigma at the top...
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| 9 |
Details of the anther
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4 microsporangia, each containing diploid cells called microsporocytes which undergo meiosis...
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| 10 |
Details of the embryo sac (female gametophyte)
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Forms in the ovule from megasporangiumMegasporocytes undergo meiosis4 megaspores are created,...
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| 11 |
Double fertilization... details
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Pollen grain forms pollen tube down the style to release 2 sperm, 1 sperm fuses with the egg...
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| 12 |
Seed dormancy details
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Seed dehydrates and metabolic rates slow and growth stops, a seed coat forms and the seed waits...
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| 13 |
What is the hypoctyl
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The hook that is above the embryonic root and grows upwards to form the shoot
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| 14 |
What does a simple fruit form from?
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One carpel or several fused carpels
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| 15 |
What does an aggregate fruit form from?
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a single flower with more than one carpel, each developing into separate fruits
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| 16 |
What does a multiple fruit form from?
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A group of flowers packed tightly together, the membranes of their ovaries fuse together
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| 17 |
What does an accessory fruit form from?
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The ovary plus other floral parts
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