The importance of microorganisms in the Earth's ecosystems
By: Wendy R.
Microorganisms are extremely important in the world's ecosystem. Withoutthem, there would be a massive accumulation of waste and dead mattereverywhere. Not only this, if there were no microorganisms to break downthis waste and dead matter, than the food chaincycle would cease toexist, and the whole...
Medicines derived from plant poisons
By: James Johnson
Medicines, they are extremely important if the world today. As there become more people on the planet and transportation becomes faster, diseases spread faster. People also want everything quicker, not taking the time after an illness to allow their body to rest and recuperate. This...
Why is it important to differentiate sedges and grasses?
By: James Johnson
Long ago, when people were a bit more flexible and in touch with the land, there was a short little rhyme that taught people how to separate sedges from grasses. It is no longer socially acceptable, but goes "Sedges have edges and cut, Rushes rush...
The evolution of the dog
By: Pat Gray
There are four general theories on how the modern dog evolved: 1) from wolves tamed through human intervention 2) wolves "taming" themselves over a long association with humans 3) wolves dividing into distinct populations of wolves and proto-dogs through scavenging activities 4) modern dogs evolving...
Biosciences: Finland and South Africa partner on development
By: daneemax
Finland and South Africa have recently taken a step further in deepening relations between their countries with the launching of the BioFISA partnership program on bioscience research support early this year. The agreement was signed on the 10th of December 2008 by the Finnish Ambassador...
Understanding pig behavior
By: James Johnson
Understanding pig behavior is like understanding the behavior of any animal. It means understanding the animal's physiology, psychology, and how it evolved. All these factors combine to create behaviors. All animals require food, water, living space, and companionship (this may only be for a short...
How photosynthesis works
By: Dana Moses
Photosynthesis is the biochemical process that uses carbon dioxide, water, and energy from sunlight to produce oxygen and sugar. Photosynthesis occurs in plants and some algae and is the ultimate source of all the food we eat. Plant leaves are the primary site of...
By: Terri Mcdaniel
What Are Tracheophytes? There are basically two types of plant life that grow on land these being bryophytes and tracheophytes. Bryophytes have no root, leaves or stems. Mosses, hornworts and liverworts fall into this category. Tracheophytes have roots, stems and leaves. Trees, shrubs, grains...
By: daneemax
There have been many studies done on population genetics and human evolution and migration in the past 20 or so years. Tracing back the early human population's demographic history all the way to the time before our ancestors moved out of Africa has been one...
The permanence of extinction
By: Ines Peros
The definition of an extinct species is the termination of life on earth for a particular animal or species of plant life. During the earth's lifetime and beginning over 100 thousand years ago, an extinction of a species did not occur as frequently and as...

 

1 162 163 164 165 166 371