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Science

Chapter 12

17 cards·by bcsbruins
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A flower part that protects a developing flower bud until it is ready to open
sepal
The male part of a flower; a thick stalk with a knoblike structure at the top
stamen
The knoblike structure at the top of a stamen; produces pollen
anther
The female part of a flower; located in the center of the flower
pistil
The bottom of a flower's pistil; contains one or more ovules
ovary
The place where a plant's eggs are produced
ovule
A long, slender stalk that connects the ovary to the top of the pistil
style
The sticky tip of the pistil; traps pollen grains
stigma
The transferring of pollen from the anther of one flower to the stigma of a flower on another plant
cross-pollination
Pollen is transferred from the anther to the stigma of the same flower to another flower on the same plant
self-pollination
The process of a male sperm cell uniting with the female egg cell to form a zygote
fertilization
A fertilized egg
zygote
The term used for a developing plant or animal after the zygote cell divides for the first time
embryo
The part of a plant that contains the seeds
fruit
To sprout
germinate
The tiny seed leaves of the embryo; store food for seeds
cotyledon
The outer covering that protects the embryo and food. It also helps to keep the seed from drying out
seed coat