I’m watching WPT and ‘Doc Martin,’ or at least the actor that plays him, is searching for wolves as he explores the ancestry of dogs. It’s thought that wolves became dogs starting around fifteen thousand years ago – a blink of an eye in geological time.

That got me to thinking that the biosphere that we know and love took over two billion years to come about. Yes, that’s more than 2,000,000,000 years. Then I sadly noted that it’s taken a mere few thousand years to do a truly amazing amount of damage to that biosphere. And, apart from that, we are one of the most unimportant species on the planet. If we were to disappear suddenly, life on Earth would do just fine, except for domesticated animals.

Let’s develop these ideas in later posts.

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