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We are destroying our forests faster than any other ecological zone in our planet.
Forests cover only 6% of the Earth’s lands but they have between 50% to 90% of all plant and animal species from the planet. But unfortunately, humanity is destroying the forests faster and faster.
Many species of the rainforests (the ones that are located in a tropical area and which receive a lot of rain) benefit all of us. Many medicines (pharmaceuticals), for example, come from the rainforest. China, Brazil, Australia, and Mexico have a large number of species in extinction.
We are losing 50-100 species of plants and animals every day. Lost of species become extinct from natural processes. If we lose 50% of our planet’s species, it will take evolution 5-20 million years to replace them. Humans should help endangered species. We can work together to stop this destruction!
(Adapted from www.trentu.ca/ers/sheperd/lecture1.html#summary,
http://news.scotsman.com/international.cfm?id= 654432006 .
Accessed: April 2006. )
Our planet loses from _____ up to one hundred species of plants and animals daily.
I - friccionar, esperar secar e repetir uma vez a aplicação
II - friccionar, esperar secar e repetir duas vezes a aplicação
III - friccionar, esperar secar e repetir três vezes a aplicação
Com base na figura e nos esforços e reações representados pelos números, marque a alternativa correta: