When humans farm large plantation of one cash crop, they reduce the biodiversity of the region because they reduce the genetic diversity of the species in the environment. A reduction in genetic diversity means that the genetic variability of the species is reduced hence there are fewer sub-species in the environment. This ultimately reduces the biodiversity of the ecosystem - which is the variability among all the living organisms in the environment.
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we cant see the statement
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it has many years on it
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it is old so it is not new
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To quote another answer I seen from this same question "I would say that the theme which is reinforced in this excerpt is impossibility of certainty - Hamlet is uncertain what he should do next, and he expresses that uncertainty in this soliloquy. "
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Hope this helps :)
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DNA/ Traits
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they trace species origins back and find common point and every time they do, they connect them on the line, creating something that looks like "branches" google "cladogram"
