Which of the following statements best describes the current knowledge about Ear

Biology
Tutor: None Selected Time limit: 1 Day

Which of the following statements best describes the current knowledge about Earth's biodiversity? 

   It is relatively common for scientists to discover new or fossil organisms that are completely different from other organisms. 

  Most species that have existed on Earth are alive today. 

  There is uncertainty about the diversity within various species. 

  Scientists generally agree that most species have been identified.

Jul 1st, 2015

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The answe is mostly
C. There is uncertainty about the diversity within various species.

Why?

Humans are exploiting and overusing the Earth's natural resources.  We have destroy and overconsume most of the Earth's natural resources. Activity by us like deforestation, urbanization, industrialization, and agriculture are taken up most of the areas and space of our planet. We cause global warming by releasing tons of carbon dioxide through factories and mining.  As a results, the ice caps in the Northpole is melting creating higher sea level. Through erosions and deforestation, we destroy most of our natural forests and trees.  As a result, the diversity of life on Earth has becoming extinct. We are causing most species to become extinct through our consumption of natural resources. We must change our consumptions of natural resources and use renewable energy. We must preserve what is left of our diversity of life on Earth. 

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Jul 1st, 2015

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