Ecotourism . Select one: a. is a reasonable option only in impoverished countries b. decreases biodiversity by selling souvenir organisms c. decreases biodiversity by causing increased speciation in environmentally sensitive areas d. increases biodiversity by providing income to areas that might otherwise be destroyed e. increases biodiversity by introducing new, rare species Clear my choice

Ecotourism

d. increases biodiversity by providing income to areas that might otherwise be destroyed

Explanation:

Ecotourism refers to visiting of  undisturbed natural areas.

Ecotourism  is different from other tourism on the fact that it does not involve visit to an area which is  maintained by humans.

Ecotourists spots are allowed to grow naturally so that they can drag people who really want to enjoy the nature.

Ecotourist spots are protected areas and taxes are levied on them.  

Ecotourist spots call for tourists and gives native people ,a way of earning.

This forces the people to maintain these spots and hence biodiversity is conserved.

"1. it should be, it has been for about 20 years, and it's really not much different in the end than breeding animals to have particular traits. there are always concerns about genetically engineered animals/plants affecting the environment in unexpected negative ways, but i can't think of an example where the fears didn't turn out to be baseless.  

first, as you point out, it would be a great advance in pharmacology, to be able to tailor drugs and their doses to me. the pros involve better medical treatment. the cons involve privacy issues like insurance companies denying coverage to people with genetic risk factors. looking at dna markers wouldn't affect the frequency of genetic diseases, but it would allow detection of them earlier. and ok, actually i suppose that if people used this information to avoid having children with genetic diseases, some might decrease in frequency."

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