How has human use of trees had both a positive and negative impact?

While the massive deforestation has led to many building opportunities and a large expansion of civilization, it greatly damages the environment and the plants that provide oxygen for us. This can have a negative impact on the air we breath in the future. It also can push many animals to extinction, because a great majority of wildlife need trees to survive and make their homes in.

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his research revealed two genetically different groups of prokaryotes, which justified splitting kingdom monera into two kingdoms. the genetic and cellular differences were so great, that these two kingdoms were eventually placed into different domains in the current three-domain system.

the eggs of the insects should be the first thing collected at the scene.

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