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BIO

For example, aquatic plants take their minerals and water directly from their surroundings. Without the amneties of the watery environment, the early plants had to make adaptive changes. First of all, all terrestrial life, whether plant or animal is subject to desiccation. One way plants respond to this does with the production of a cuticle, which is a waterproof, the epidermis secrete protective coating. The spores and pollen also have a protective coating, or sporopollenin, a sealing material that permits their dispersal by air currents without the danger of drying. As plants get bigger and older, they need meathods of insuring a sufficient supply of water and carbon dioxide for photosynthesis. The water problem was solved with the evolution of vascular tissue. Stomata assured an adequate supply of carbon dioxide without too much of a loss in water. The reproductive adaptations to life on land were also extreme changes. After the change, plants could no longer release its gametes into the water environment that it is surrounded by. Mosses are characterized as bryophytes. They are much less adapted for life on land. They are nonvascular plants because of the fact that they lack the xylem and phloem tissues that other plants have. They also lack the strong, lignin supporting tissues found in most of the other plants. Vascularity was a huge evolutionary step because the xylem tissues impregnated with lignin provide woody plants with exceptional strength in its efficient transport of water and minerals.4. Compare and contrast the origin and maturation of the male and female gametes in a flowering plant and in a mammal.A flower is a beautiful colorful silk like substance that comes out of many plants. In my opinion, it is very pretty. Flowers are also the reproductive structure of flowering plant aka an angiosperm. In most angiosperms, insects and other animals transfer pollen from to another flower's female sex organs.


Essays Related to BIO

1. Computer Boot Process

BIOS Identification: displays the BIOS version, date, and manufacturer. ... System Initialization, CMOS and BIOS Check After a successful POST the instructions stored in the BIOS will initialize the system from settings stored in CMOS. ... If the BIOS uncover a "non-fatal" error it will display an error message at this point and continue the boot process. By contrast, a "fatal" error will cause the BIOS to halt the boot process. 3. Loading the Disk Operating System (DOS) Once the BIOS check has completed the BIOS will continue the boot process by trying to locate and load the disk opera...

  • Word Count: 993
  • Approx Pages: 4
  • Grade Level: High School

2. Diesel Emissions

More Companies are looking for different ways to lower the high-sulfur rates by using bio-diesel. There has been increasing interest in the use of bio-diesel as a substitute for petroleum-based diesel fuel, since several studies have found emission benefits from the use of bio-diesel; some states have been considering mandating the use of low level of bio-diesel in diesel fuel. ... It was determined that bio-diesel reduces the emissions of hydrocarbons, and carbon dioxide. Due to limited data, it was not possible to make conclusions on the impact of bio-diesel on emissions from light-dut...

  • Word Count: 696
  • Approx Pages: 3
  • Grade Level: Undergraduate

3. Bio

Bio-molecules are built by assembling atoms, by virtue of covalent bonds. The most collective elements that can be discovered in biomolecules are the CHNOPS element, which stands for the basic abbreviation of carbon, hydrogen, nitrogen, phosphorus, and sulfur. Each one of these elements has a specif...

  • Word Count: 440
  • Approx Pages: 2

4. Bio-Engineered Foods

Bio-Engineered Foods Bio-engineered foods have often been excused as being an act of tampering with God's work. ... Recent debate and research has shown that bio-engineered foods are in fact just as safe to eat as naturally grown foods, yet it's the vulnerable and people in need who still refuse to eat them. ... Consulate General (http://www.usconsulate.org.hk/usinfo/biotech/) website, the refusal of eating these bio-engineered foods has begun to run the risk of having extraordinarily damaging consequences for some of the most susceptible people on the face of the Earth. The t...

  • Word Count: 463
  • Approx Pages: 2
  • Has Bibliography

5. 3D Printing, Drug Research and Design

Review of Literature Methods of Bio-Printing Cell Presses 3D printing itself has dozens of methods however, in biotechnology there is bio-printing, which is term that refers to the printing of cells and living tissue. There are many different methods of bio-printing. ... There are many other advantages of bio=-printing besides research and development. ... Another aspect of bio-printing are the ethical limits on bio-printing. ... However Bio-printing still shows much promise in helping man's overall quality of life. ...

  • Word Count: 1665
  • Approx Pages: 7
  • Has Bibliography
  • Grade Level: High School

6. Bio Diversity

Bio Diversity There have been many definitions proposed for Bio diversity but at its simplest level it is defined as the number of species occurring in a location. ... The bio diversity of an area can be defined by three attributes. ...

  • Word Count: 553
  • Approx Pages: 2

7. Bio-Engineering

Critical Thinking For assignment number two, we were to read the article titled, "Should consumers be concerned about bio-engineered crops?" ... In the case about genetically altered crops, especially directed towards Aventis CropScience and other bio-tech companies, the author presents many arguments supporting his claim. ...

  • Word Count: 432
  • Approx Pages: 2
  • Grade Level: Undergraduate

8. How To Change A Computer Battery

At this point, touch a grounded metal object to make sure that you are grounded and then hold down the power button for ten seconds to reset the BIOS. The BIOS is the main program that will start your computer and hold all of its settings such at the time. ... Once you have reset the BIOS settings by holding down the power button, it is time to re-plug the power cord. ...

  • Word Count: 754
  • Approx Pages: 3
  • Grade Level: High School

9. Aerosmith

In 1976, they released "Rocks"; soon followed in 1977 by "Draw the Line" ("Band-Aerosmith Bio", N/A). ... The following year, the band released their next album, "A Night in the Ruts" ("Band-Aerosmith Bio", N/A), which bombed. ... Another year passed and yet another album, "Rock in a Hard Place", was released ("Band-Aerosmith Bio", N/A). ... The following year, the band released an album they called "Classics (live)" ("Band-Aerosmith Bio", N/A). ... The following year, they came out with another new album, "Permanent Vacation" ("Band-Aerosmith Bio", N/A). ...

  • Word Count: 1083
  • Approx Pages: 4
  • Grade Level: High School

10. hard drives

There is an 8.4 GB hard drive limitation on some traditional system BIOS. The following is required to access the full capacity of an 8.4 GB or larger hard drive: A system BIOS that supports extended functions An operating system that recognizes extended BIOS functions Operating systems that recognize extended BIOS functions: Windows 95 Windows 98 Operating systems that do not recognize extended BIOS functions: DOS 6.xx and earlier Windows 3.1x Windows NT (See note in table below.) ... For example, if your operating system recognizes extended BIOS functions, but your system BIOS has a 2.1 GB d...

  • Word Count: 2268
  • Approx Pages: 9

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