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Biology - College Essays

Biology


1. The virus is made up of five parts and is in the size range of 10
nm-300 nm in diameter. The first is the coat made up of protein that protects
the virus to a point. Next is the head that contains the genetic material for
the virus. The genetic material for a virus is DNA. The two other parts are
the tail sheath and the tail fibers that are used for odd jobs. I believe that a
virus is not considered to be a living creature due to the fact it is a
parasitic reproducer. To me it is just like ripping up a piece of paper because
it is still the same thing and it isn't carrying out any other function besides
reproduction. Since the virus cannot continue to do its functions ...

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the notch of the prothallus and
the antheridia are located near the tip. Fertilization occurs when outside
moisture is present and the sperm from the antheridia swim to the eggs of the
archegonia. A zygote is formed on the prothallus and a new sporophyte grows.

4. Flowering plants have unique characteristics that help them survive.
One is the flower itself that contains the reproductive structures. The color
of the flower helps because it may attract birds and insects that spread the
plants pollen which diversify the later generation of plants. Flowers also
produce fruits that protect their seeds and disperses them with the help of
fruit eating animals.

5. Fungi, Animalia, and, Plantae are all believed to be evolved from
Protista. All 3 of these kingdoms are eukaryotic and their cells have a nucleus
and all the other organelles. Fungi live on organic material they digest,
Plants produce their own organic material, and Animals go out and find their
food. Animalia are ...

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Biology. (2006, July 17). Retrieved December 23, 2024, from http://www.essayworld.com/essays/Biology/49263
"Biology." Essayworld.com. Essayworld.com, 17 Jul. 2006. Web. 23 Dec. 2024. <http://www.essayworld.com/essays/Biology/49263>
"Biology." Essayworld.com. July 17, 2006. Accessed December 23, 2024. http://www.essayworld.com/essays/Biology/49263.
"Biology." Essayworld.com. July 17, 2006. Accessed December 23, 2024. http://www.essayworld.com/essays/Biology/49263.
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PAPER DETAILS
Added: 7/17/2006 04:54:51 AM
Category: Science & Nature
Type: Premium Paper
Words: 1205
Pages: 5

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