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Maybe because 5 billion years ago there wasn't anything life-like going on around these parts. Many changes have occurred since then, and many will occur yet a
by sageikosa 13y ago
Maybe because 5 billion years ago there wasn't anything life-like going on around these parts. Many changes have occurred since then, and many will occur yet again.
Not every genetic sequence is sacred, and the vast majority that modern taxonomy would consider "species" have come and gone without me shedding a tear.
- enraged_camel 13y agoThat is correct, but which species before humans has caused so much change to the environment in such a short time? Sure, there's the natural eb and flow of the environment. But that tends to happen over very long periods of time. When you're talking about 70% of forests being destroyed within 500 years though, that's something else entirely. Make no mistake: the change our planet has gone through over that short time period is unprecedented.
- hnaccount8888 13y agoMake no mistake: the change our planet has gone through over that short time period is unprecedented. http://en.wikipedia.org/wiki/K/T_event http://en.wikipedia.org/wiki/K/T_event
- enraged_camel 13y agoContext is king. The T event was caused by a meteor, as opposed to a species.
- sageikosa 13y ago> That is correct, but which species before humans has caused so much change to the environment in such a short time? None. And I don't think mankind should hold itself back due to the other "species" lack of initiative.