Chapter 21
Biology: A Guide to the Natural World · 2 exercises
Problem 1
What does it mean to be a "successful" organism? Bacteria are certainly the most numerous organisms on Earth, they live in nearly all environments, and they are the least susceptible to being eliminated through environmental catastrophe. Are they Earth's most successful organisms?
5 step solution
Problem 3
What would life on Earth be like if there were no decomposers?
5 step solution
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