2006-11-02 10:24:30 · 9 answers · asked by Mike S 7 in Science & Mathematics ➔ Biology
Without a doubt, the most apparent threats to life on earth are all going to be man-made (Weapons of Mass Destruction, Pollution/Global Warming, etc.)
2006-11-02 12:25:04 · answer #1 · answered by victoryedge 2 · 0⤊ 5⤋
After everything I've learned about life, I don't feel that there are many realistic threats to all life in general. Short of the sun exploding, or a massive meteor collision on a scale never before seen, I'm pretty confident life will continue in some form or other.
Human life, on the other hand, who knows. I'm optimisitic. I think we'll come together and avert anything from wiping us out completely. That's more of a political/societal issue than a biological one, of course.
2006-11-02 19:27:59 · answer #2 · answered by Geoffrey B 4 · 0⤊ 0⤋
This might depend upon what kind of biologist.
Microbiologists are aware that many microorganisms, especially pathogens are becoming resistant to antibiotics. Forms of flu and other diseases are getting harder to control.
Botanists usually see no threat or something catastrophic due to genetic manipulations of food plants.
Zoologists keep harping about the rise of HIV from non-human sources.
Xenobiologists tend toward induced mutations which will disrupt the current balances in the biosphere.
It is not the biologists, but some geologists and astronomers who are the most pessimistic.
2006-11-02 19:56:10 · answer #3 · answered by Richard 7 · 6⤊ 0⤋
B.S. in Biology here.
I don't see any great threats, but the greatest would be a long long era of extensive volcanic activity.
Life has already survived big meteor impacts and long eras of extensive volcanic activity, so I'm not too worried about life.
If you want something speculative to worry about (relativistic missiles of extraterrestrial origin) - read
The Killing Star
by Charles Pellegrino
2006-11-02 18:29:00 · answer #4 · answered by Anonymous · 0⤊ 0⤋
If you mean all life, then I would think it might be a shift in the orbit of the earth around the sun such that our atmosphere was lost. If you mean the life of people, we are probably the biggest threat to ourselves.
2006-11-02 18:54:09 · answer #5 · answered by Answergirl 5 · 0⤊ 0⤋
I would say pollution and global warming which is caused by a hole in the o-zone layer of the atmosphere
2006-11-02 18:29:07 · answer #6 · answered by Anonymous · 0⤊ 0⤋
Mayonaise
2006-11-02 20:12:50 · answer #7 · answered by Anonymous · 0⤊ 1⤋
Paris Hilton, I think she got PHD in gynecology.
2006-11-02 19:50:57 · answer #8 · answered by Anonymous · 0⤊ 0⤋
man
2006-11-02 20:22:46 · answer #9 · answered by Anonymous · 0⤊ 0⤋