This includes the different species of plants, animals and microorganisms that make up an ecosystem. ... DNA determines organism's physical characteristics (for example in humans DNA would determine a persons eye/hair/skin colour) and their abilities or inabilities. ... For example, many agricultural farmers cultivate monocultures- large populations of genetically identical plants- therefore having the same abilities and inabilities. Although all the plants may flourish in the same conditions at the same time, this also makes them all susceptible to the same parasite or changing environ...

• Word Count: 1252
• Approx Pages: 5
• Grade Level: Undergraduate

This ability for organic systems to store energy is due to their highly complex physical characteristics that they do not share with inorganic systems. The developments of these characteristics do not inherently cause the organism to store energy, but they do enable that organism to store energy. ... This is due to a rather complex process that is unique to higher developed animals and plants. ... Theistic philosophers referred to these characteristics as "creative flashes". ... These new characteristics are enabling conditions of the development of rational thought. ...

• Word Count: 2370
• Approx Pages: 9
• Grade Level: Undergraduate

Evolution is the natural process through which organism have acquired their characteristics, structure and function. The past few centuries have witnessed a thorough inventory of the million or more species of plants and animals living today, as well as the thousands of extinct species. ... How can the many similarities and differences among plants and animals be explained? ...

• Word Count: 1854
• Approx Pages: 7
• Grade Level: High School

I)Darwin's Dilemma A)Darwin set sail on December 27, 1831 for a cruise around the world 1)He was well educated and had a strong interest in natural history 2)He also had keen powers of observation and an analytical mind 3)Each place he went he collected animal and plant specimens to his collection (a)He examined his specimens and filled notebooks with his observations B)Throughout the voyage he witnessed countless wonders of nature 1)He demanded explanations for these wonders II)The Diversity of Life A)When Darwin visited tropical South America he saw countless species 1)In one ...

• Word Count: 1698
• Approx Pages: 7
• Grade Level: High School

Aboard the Beagle, Darwin realized that some of his own observations of fossils and living plants and animals cast doubt on some accepted scientific theories. ... The reasons that scientists want to study the evolution of humans are so that we can understand human diseases, traits and characteristics better and to make predictions as to how humans will evolve in the future. ...

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Parents" characteristics are passed along to offspring in the form of biochemical units called genes. ... Children do not always have the same characteristics as their parents because they inherited some genes that did not show up in their parent's body, but the genes had to have showed up some time in one of the child's ancestors. All plants and animals resemble their parents in some way, shape, or form (Hussain 1). ...

• Word Count: 2007
• Approx Pages: 8
• Grade Level: High School