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Copyright © 1997,
Jay Ligda. All rights
reserved. Published by
Humans in the Universe
and Jay
Ligda.
Evolution of the Human
Sensory organs
evolved as a group of specialized cells to receive information that would help an organism survive.
The different sensory organs gave rise to the channels of perception mentioned
earlier. Through these channels of perception stressors are received
that aid the organism in action that increases its survival. The brain
evolved to become the central processing center for the nervous system (which
includes sensory organs). The fish was the first organism with a spinal
cord to enclose and protect the nervous system (Russell, 1989).
Eventually species evolved to breath air and walk on
land. Reptiles and then mammals appeared. Humans evolved from
a species of primate that took to the trees. This primate evolved hands
that allowed it to grasp and swing from branches. By swinging in the trees, the back was straightened from the four-legged position to an upright position. Eventually it came
out of the trees, walked upright and became the ancestor of modern humans
(McCrone, 1991).
by
Jay Ligda
(This work is a all or part of an original work first
published/written for John. F. Kennedy University: Final Integrative Project.,
Mar1996.)
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References
- McCrone, J. (1991). The Ape that Spoke: Language and the Evolution of the Human Mind. New York, NY: William Morrow.
- Russell, P. (Producer), Hall, C. (Director). (1989). The Global Brain. [video]. (Available from I.C.., Tankenham, England.)
- Capra, F. (1975). The Tao of Physics. New York, NY: Bantam.
- Pearson, D. & Shaw, S. (1982). Life Extension: A Practical Scientific Approach. New York, NY: Warner.
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