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10 Cards in this Set
- Front
- Back
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name the parts of the flower
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-petal
-sepal=the green part -receptable=place where ovary meets the branch -stamen=the male part -anther(does all reproductive work) - fillament(provides structure -carpel=sporophyte(female part) - stigma - style - ovary |
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what does the petal and sepal together make?
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perianth
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what part of the flower moves and what part is stable during fertilization?
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the ovary is stoable and the pollen moves to the ovary
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what is the structure of the flower called that the pollen enters through?
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pollen tube
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what are the two differences between gymnosperms and angiosperms?
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1.gymnosperms rely on wind/luck to carry them and angiosperms rely on animals to pollinate
2.2 sperm are needed in angiosperms to fertilize |
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what is double fertilizaition? does it happen
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-when 2 sperm are used for fertilization
-only happens in angiosperms |
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what do the 2 sperm in angiosperms used to fertilize?what does an endosperm do?
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1 sperm fertilizes the egg(2n)and the other fertilizes 2 polar nuclei(3n).
-provides nutrients to growing embryo (3n) |
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what are the two types of angiosperms?
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monocots and dicots
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describe monocots
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-1 cotyleden
-parallel veins -mulitples of 3 petals -vascular tissue scattered trhoughout the stem |
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describe dicots/eudiocots?
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-2cotyleden
-branch veins -multiples of 4 and 5 petals -vascular tissue in circular arrangement |
