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30 terms

Science - 3rd grade-Plant Life Cycles

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seed
the structure inside an apple that grows into a new plant
embryo
a seed has stored food and nutrients to help this survive
germinate
when conditions are right, a seed will begin to grow or ___________
seedling
an adult plant grows from a small plant called
flower
part of a flowering plant that makes seeds
pollen
seeds form when an egg joins with ____________
nectar
flowers have colors and smells that attract animals to dring this
flowering plants
you can find a fruit around the seeds of ________________
soil
in order to grow, seeds must get to the ________
life cycle
a seed germinates in the first stage of a flowering plant's __________
nutrients
when plants die, they add ________ to the soil
conifers
2 kinds of plants that reproduce by making seeds are flowering plants and _________
wind
pollen moves from small male cones to large female cones when the _____ blows
bulb
an onion can grow a new plant from its underground stem, or _______
germinate
plants ________ from seeds
adult
plants grow into ______ plants
reproduce
flowers help flowering plants ________
eggs
flowers produce pollen and _______
wind
animals and _____ move pollen to eggs
pollination
the movement of Pollen is called
fruit
after a flower is pollinated, a seed forms and is protected by a _______ that grows around it
cones
conifers make seeds in _______ instead of flowers
cone
a structure in conifers taht makes seeds
embryo
a young plant inside a seed
flower
a structure in flowering plants that makes seeds
fruit
a structure that holds seeds
life cycle
all of the stages in an organism's life
pollen
a powder made by the male part of a flower or cone
pollination
the process that takes place when pollen moves from the maole part of a flower to the female part of a flower
seed
a structure that can grow into a new plant