science vocab reproduction

31 terms by j20b6barrett

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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

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