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31 terms

science vocab reproduction

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petal
one of the usaually brightly colored leaf shaped parts that make up one ring of the flower
sepal
outer leaves that enclose the flower when it is in a bud
pistil
girl part of flower
stamen
boy part of flower
stigma
the rough or sticky part of flower which pollen attaches
style
between stigma and ovary
ovary
where the egg cell are roduced
ovule
developes into seeds after fertilization occurs
anther
where pollen is made
pollen
protective structure enclosing the used in the reproductiveof all seed plants
filament
supports anther
pollinators
organisms that help transfer the pollen to the anthers to the stigma
pollination
when pollen attaches to the stigma
fertilization
when male gives girl sperm
gymnosperm
plants that produce seeds from cones
angiosperm
plants that produce seeds from flowers
self-pollination
egg of flowerare fertilized by own flower
cross pollination
when pollen from one plant ferilizes another plant of same species
asexual reproduction
reproduction that requires fertilization, only 1 parent
sexual reproduction
reproduction that requires fertilization, only 2 parent
regeneration
when a new organism is regrown or repaired
runners
an exact copy is produced from one parent plant; strawberries
fission
one cell divides into two
budding
new offspring formed directly from parent
cutting
type of vegative propagation that produces identical offspring
cloning
production of oragnisms that are genetically identical to others
external fertilization
the process by which the female lays eggs and the male fertilizes them once they are outside of the female
internal fertilization
the process by which the male places the sperm inside the females's body, where the eggs are fertilized
conjuctgation
organisms combine than split apart
hermaphrodism
existance of reproductive organs of both sexes in the same individual
grafting
when you take cuttings from one plant and combine with another so plant will grow complete