Download Sexual Reproduction in Plants

Sexual Reproduction in
Plants
Angiosperms & Gymnosperms
What is a seed???
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Seeds are the products of sexual
reproduction in most plants
A seed is a complete reproductive package
that contains an embryo, a food supply,
and a seed coat, which protects it from
drying out
Two major groups of seed-bearing
plants
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Angiosperms
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Gymnosperms
Angiosperms
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are flowering plants
seeds form inside flowers
When mature, the seeds are enclosed in a
case, such as a pod, or shell
Gymnosperms
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do not produce flowers
most produce seeds inside cones
Seeds have a coat that protects them from
dehydration, but they are not enclosed in
a case
Sexual Reproduction in
Angiosperms
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Over one half of all known plant species
are angiosperms – some are large
producing large showy flowers, some are
tiny and easily overlooked
Regardless of their size, all flowers have
the same function, they contain the plant’s
reproductive organs
Sexual Reproduction in
Angiosperms Cont..
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The female reproductive organ is called
the pistil
The male reproductive organ is called the
stamen