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Search results 2011 - 2020 of 2219 matching essays
- 2011: Human Evolution
- ... learned skills, which permitted our ancestors to be increasingly able to live in a variety of environments. The earliest hominine fossils show evidence of marked differences in body size, which may reflect a pattern of sexual dimorphism in our early ancestors. The bones suggest that females may have been 0.9 to 1.2 m (3 to 4 ft) in height and about 27 to 32 kg (about 60 to 70 ...
- 2012: Through A Narrow Chink: An Ethical Dilemma
- ... a shrug of his shoulders and a simple, "I couldn't have changed things". Again, I am disturbed by the flippant manner of his response. Yes, he acknowledged the impact the Pill had on the sexual revolution, but fails to see beyond what has already occurred, claiming powerlessness against the pace of science. Let me say that he is most likely partially correct. There is very little to be done when ...
- 2013: Pheromones
- ... of their own species. These compounds are secreted by the body in very small amounts but are never-the-less effective in producing instinctive behavior when detected by the nose. In insects and animals, most sexual and social behavior is controlled by pheromones. Humans have used perfumes for thousands of years, but there is a basic difference between perfume and pheromones. Pheromones are produced by the body and usually do not ...
- 2014: Reproduction: A Courting To Nature
- ... in the U.S. and Sweden announced a possible answer. While studying widowbirds, among whom extravagant tail feathers are hip, they discovered that the longest-tailed males also carried a lower number of blood parasites. Sexual ornamentation seemed to be a means by which males could show of superfluous health and energy. All of which may bring us to fast sports cars, flashy clothes and other accessories of the human suitor ...
- 2015: The Influence Of Writers On Charles Darwin
- ... doctor, poet and philosopher who wrote many books concerning nature. Among his works Zoonomia, a medical textbook, has received the most attention. In this work Erasmus Darwin expressed such ideas as "evolution by natural and sexual selection, protective adaptation, inheritance of acquired characteristics, and even the evolution of mankind" almost fifty years before Charles Darwin (Nelson & Jurmain., 1991, p.32). Erasmus Darwin had said that all different living things were produced ...
- 2016: How Technology Effects Modern America
- ... our history, we find that newspaper, radio and television were once unregulated too. It is easy to see why government has such an interest in regulating the Internet these days. Though public opinion supports regulating sexual material on the Internet, it is just the first step in total regulation, as experienced by every other popular mass media in our history. This is why it is imperative to educate people about the ...
- 2017: Reproduction: A-Courting to Nature!
- ... in the U.S. and Sweden announced a possible answer. While studying widowbirds, among whom extravagant tail feathers are hip, they discovered that the longest- tailed males also carried a power number of blood parasites. Sexual ornamentation seemed to be a means by which males could show of superfluous health and energy. All of which may bring us to fast sports cars, flashy clothes and other accessories of the human suitor ...
- 2018: Classification
- ... the world, and he would devise a way to relate them. At the age of thirty-two he was the author of fourteen botanical works. His two most famous were Genera Plantarum, developing an artificial sexual system, and Species Plantarum, a famous work where he named and classified every plant known to him, and for the first time gave each plant a binomial. This binomial system was a vast improvement over ...
- 2019: Darwinism: The Theory That Shook The World
- ... large random assortment of genes that may be rearranged", the farmers were able to produce a better breed of race horse or milk cow by breeding the best he had together (JWV p 21). This sexual evolution was just seen by the public as a way to produce the necessary end but Darwin held it as important evidence of evolution accessible for all to witness. And to back up this finding ...
- 2020: Orangutans
- ... patterns " (Markham, 1980). Orangutan males, however, appear to be totally intolerant of one another, especially the Borneo males who are even aggressive towards females and infants. Male orangutans' participation in social groups is limited to sexual "consortship" with females. However, the Sumatran males tend to stay with females for a longer period of time usually until the birth of the infant. They may stay longer with their partner because of the ...
Search results 2011 - 2020 of 2219 matching essays
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