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Definition
| _____ are produced in the flowers of angiosperms |
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Most leaflike
Protects flower bud |
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Definition
Bears ovules
Ovules produce embryo sac |
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Definition
| Circumference of stem where the same flower organs are attached |
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| Transfer of pollen from anther to stigma of pistil |
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Term
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Definition
Types of nontargeted pollination
Need to make a lot of pollen |
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Term
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Definition
Type of targeted pollination
Have to attract pollinator |
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Term
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Definition
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Term
Animal pollination
Unisexual flowels
Different timing of stamen and pistil maturity
Self-incompatibility |
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Definition
| Mechanisms of outcrossing |
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Term
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Definition
| Male and female flower on one plant |
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Definition
| Male and female flowers on different plants |
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Term
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Definition
Two sperm in each pollen
One fuses with egg --> zygote (new sporophyte generation)
One fuses with central cell --> endosperm
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Term
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Definition
Endosperm is ____ (ploidy)
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Term
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Definition
Triploid
Nutritive tissue |
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Term
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Definition
Zygote develops into embryo
Beginning of new sporophyte
Still nutritionally dependent on maternal tissues |
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Definition
Develops into seed
Contains embryo and endosperm
Seed coat |
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