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Science版 - Re: how to define "life"
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话题: life话题: define话题: metabolism话题: viruses
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m******g
发帖数: 91
1
life: should at least get 2 features: metabolism and reproduction
intelligent life: can learn
A**z
发帖数: 184
2

这个好象也包括在‘生命’的定义里面吧:
新陈代谢
遗传和变异
学习和适应
...
智慧生命好象只是科幻小说里面的一个用词。

【在 m******g 的大作中提到】
: life: should at least get 2 features: metabolism and reproduction
: intelligent life: can learn

c*****t
发帖数: 1879
3

right. according to this definition, viruses are not living.
There is no such definition as intelligent life. Need to define
intelligence first.

【在 m******g 的大作中提到】
: life: should at least get 2 features: metabolism and reproduction
: intelligent life: can learn

q**i
发帖数: 174
4

if you define metabolism as a way to consume / need for energy, wouldn't
that make those computer viruses a form of life?
to learn, one needs memory, ability to generalize and reason. the first
is easily done by a computer, and the 2nd/3rd could be done with aid
of artificial intelligence.
the reason I asked the whole thing was a Star Trek eposode where the
starship encountered a non-carbon based life form that can
travel all by itself. After all, we have life forms on the earth
that do not rel

【在 m******g 的大作中提到】
: life: should at least get 2 features: metabolism and reproduction
: intelligent life: can learn

1 (共1页)
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话题: life话题: define话题: metabolism话题: viruses