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10 Cards in this Set

  • Front
  • Back
name the parts of the flower
-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
what does the petal and sepal together make?
what part of the flower moves and what part is stable during fertilization?
the ovary is stoable and the pollen moves to the ovary
what is the structure of the flower called that the pollen enters through?
pollen tube
what are the two differences between gymnosperms and angiosperms?
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
what is double fertilizaition? does it happen
-when 2 sperm are used for fertilization
-only happens in angiosperms
what do the 2 sperm in angiosperms used to fertilize?what does an endosperm do?
1 sperm fertilizes the egg(2n)and the other fertilizes 2 polar nuclei(3n).
-provides nutrients to growing embryo (3n)
what are the two types of angiosperms?
monocots and dicots
describe monocots
-1 cotyleden
-parallel veins
-mulitples of 3 petals
-vascular tissue scattered trhoughout the stem
describe dicots/eudiocots?
-branch veins
-multiples of 4 and 5 petals
-vascular tissue in circular arrangement