Oh the Variety!

A detailed Summary of Oh the Variety!

The plant kingdom is much more diverse than most people think. Many

people just assume, well, they're all green and leafy-what's the difference? There

are many differences in the plant kingdom, like reproduction methods, structural

individuality, and locations. One type of plants that includes moss, liverwort, and

hornwort is called bryophytes. Other types are filicinophytes, coniferophytes,

and angiospermophytes. Each has its own destinct lifestyle, if you will, that

seperates it from other "green, leafy, things".

One of the first identifiers of a bryophyte is its waxy cuticule that helps the

plant retain water. Both male and female reproductive organs are present in

bryophytes, the male antheridium and the female archegonium. The fertilized egg

developes in the protection of the archegonium. Water is a very important part of

a bryophyte's life, not only for nutritional matters, but its sperm are flagellated,

meaning that they must swim to the egg to fertilize it. Most bryophytes do not

have vascular tissue, and therefore must beable to absorb water and desperse it

throughout the entire plant. Because they are non-vascular plants, bryophytes

do not have regular roots, but root-li

in angiosperms double fertilization happens. This is when both sperm of the nuclei

Coniferophyta is another family in the plant kingdom. Some general

are what protect the gametes and embryos. However, being on land brought up

the sugar and other organic products must be distributed evenly from the leaves to

survive. Many things have helped the vascular plant to better its chances of survival,

the archegonia which helps the sperm find its way in the right direction.

angiosperms. Compared to only 721 gymnosperm species known. The

A land plant has special needs in order to survive. The soil that the plant lives

are all ways to help disperse the seeds of the plants. Angiosperms are

incorporate more parts of the flower than just the ovary. Some plants have

major parts. The pedals, carpel, which is the ovary style and stigma, and the stamen,

xylem carry the water and minerals up from the roots. The phloem is a living tissue

Approximate Word count = 1373
Approximate Pages = 5 (250 words per page double spaced)

Category: Science

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