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Science and Nature Term Papers and Reports |
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What Is A Plant?
611 Words - 3 Pages.... are dependent on other plants for their food. Some
plants have limited powers of movement. So from this you can conclude that
the difference between plants and animals is vague, especially among the
more primitive forms.
Plant organs are organized into three kinds of organs: roots, stems,
and leaves. Roots anchor the plant into the ground and they also gather
minerals and water from the ground. Roots usually grow under ground and
downward. Roots have tiny “hairs” which increase the surface of the roots,
which results in more gathering of minerals and water. Stems are usually
above ground, grow upward, and usually have leaves. Plants that do not
have leaves gener ....
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Nasa
278 Words - 2 Pages.... The spacecraft will arrive in martian orbit in September 1999, where it will serve as a weather satellite for a full martian year (two full Earth years). The next Mars lander is scheduled for January 3, 1999 liftoff. Mars Polar will touch down on Mars in December 1999, carrying two softball-size penetrators, the Deep Space 2 mission, that will crash land on Mars some 60 miles north of the landing site. All is going well with ’s Saturn-bound Cassini mission and the Deep Space 1 mission. Cassini will reach Saturn in June 2004 and Deep Space 1 will rendezvous with asteroid 1992KD in July 1999. The Galileo spacecraft at Jupiter went into a safe mode just six hours before it ....
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Genetic Cloning
1303 Words - 5 Pages.... or organisms. On February 22, 1997 the first mammal to ever was cloned at the Roslin Institute in Edinburg, Scotland(Staples). It was a sheep by the name of Dolly. Dolly was cloned from an adult sheep; using donor DNA and mammary cells from a female sheep cloned it. The process is very technical and I don’t fully understand it myself. From what I have researched I have come to understand that currently cloning is very “Hit or Miss”(Hawley). From 277 attempts, Dolly was the only successful attempt. The point is however that we now have a man created sheep, what else could be done in the near future.
There are many different goals for . Would you like to clone ....
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American Pit Bull Terrier
2848 Words - 11 Pages.... as much as I could about this misunderstood breed. I did this also to educate my parents and to tell them some facts and myths of the APBT. After some extensive plead bargaining with them and some facts and pictures, they finally gave in and let me keep her. Well, not really though. I say that because my father of all people fell in love with "Molly" as she is now known. He has said on many occasions that Molly is the best dog he has ever had, and believe me, he has had many. The point is, APBT get a bad name because of the people who own them. In doing research for this paper I have become deeply fascinated with this breed and actually understand a great deal more a ....
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The Landsats Satellites
1099 Words - 4 Pages.... transferred to the National Oceanic and Atmospheric Administration (NOAA). The EROS Data Center (EDC) has managed the Landsat data archive for more then two decades. It provides an impressive collection of information about the Earth’s land surface.
The SPOT satellites carry two High-Resolution Visible (HRV) sensors capturing visible and near-infrared radiance data with multispectral and panchromatic scanning capabilities. The multispectral mode captures data in three bands in the following spectral ranges: .50-.59, .61-.68 and .79-.89 micrometers. The three bands are co-registered and have a ground resolution of 20m. The panchromatic mode images data in the spectral ra ....
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Origanum Vulgare
302 Words - 2 Pages.... to cease the itch. The French included it in soaps and pomades. The Greeks crowned newlyweds with oregano and planted it on graves as well as using the herb medically. Oregano’s German name, wurstkraut, reveals its use of seasoning sausages. The English used oregano for perfumes, washing waters, and used it for dyes to turn wool purple and linen reddish brown.
In good health and quality, oregano should have good color, even sized leaf pieces and a fresh aromatic aroma. The leaves of oregano are very aromatic, slightly pointed and hairy. The flowers are white, and bloom from late July to September. Oregano grows to be 2 feet tall, and rich, moist soil makes the aroma and f ....
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Mosquitoes
316 Words - 2 Pages.... near the water surface. After feeding on micro-organisms and growing larger, they shed their skin four times and evolve into the pupa stage.
The pupa stage of development is a time when the young mosquito does not feed. After about two days the pupa evolves into an adult mosquito. The new adult mosquito escapes from the pupae skin be splitting the skin open and resting at the water surface to allow its' body parts to harden. can complete the entire egg to adult cycle in 10 to 14 days, depending on the temperature, with shorter times during warmer periods. Some species can even reach the adult stage in as little as two to three days.
Why Do We Need ?
Mosquitoes a ....
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Acid Rain
766 Words - 3 Pages.... Dioxide (SO2) is released by fossil fuels when they undergo combustion. Power plants and other fossil fuel burning industrial areas release various forms of nitrous oxides. These two chemical compounds combine with the water in the atmosphere to form what is known as . The negative effects has on the environment is the main reason legislation of industrial emissions from governments has been prompted.
is harmful to the environment because of its low pH. It can harm the biotic components of earth, and also the abiotic components. It's high acidity degrades soil to the point where it cannot support any type of plant life. Trees in forests are killed over long-term exposure. W ....
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