In terms of Nature, what could be the reason for violence and disease to exist?

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nature
bane10x asked:

I am looking for a scientific basis, so religious types can bother another question, (science obviously exists, and nature holds all in balance, so…).

My own personal idea is that violence (sketchy) and disease (firmer belief) are to prevent overpopulation. Disease does hit hardest in densely-populated areas, because of the distribution (seems obvious right?) Violence is a bit more difficult to define, and thus I am looking for ideas of the animal world to connect with.

Do not be afraid to use scientific jargon, as i like learning new vocab!

magnificent adventure

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Comments (7) Dec 27 2008

What is a threat to the environment of transgenic crops?

Posted: under Biology.
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environment
Gene Expression asked:


A.Pollen from transgenic crops could carry the recombinant genes to wild relatives, with unpredictable consequences.
B.Wild animals might eat the transgenic crop and become genetically mutated “monsters.”
C.Genes introduced into the plants could move to the organisms that eat the plants.
D.The products of the modified genes these crops carry are usually toxic and would be released to the environment if the plants die.
E.None of the above are threats.

magnificent miles
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Comments (2) Nov 23 2008

How does the environment affect the organism?

Posted: under Biology.
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environment
A asked:


How does the environment affect the organism, and how does an organism affect the environment? Have we humans have good or bad effects on the environment?

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Comments (1) Sep 13 2008

How did animals with no defense mechanisms survive in nature?

Posted: under Biology.
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nature
brandlet asked:


Certain animals have no defense mechanisms against predators. Sheep and chicken, for example, cannot survive in nature without human protection. Sheep and chicken released into the wilderness will not survive more than a few weeks. Non-domesticated habitats of sheep or chicken are not found in nature, except in highly isolated areas devoid of predators (like islands). All evolutionists agree that humans evolved millions of years later than lower level animals. In that case, sheep and chicken should have survived in nature, without human protection, for millions of years before humans appeared. How exactly did they survive for millions of years without any defense mechanisms? One argument suggests that domesticated animals lost, through natural selection, their ability to survive in nature only after they were domesticated by humans. This argument, however, has no merit because agriculture and farming are relatively new inventions – much too recent for any evolutionary changes to take place. So, how did the pre-farming sheep and chicken survive for millions of years?

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Comments (2) Jun 30 2008