Questão 43 - UniCesumar Medicina 2016

A Dartmouth photos shows mosquitoes in this image released on September 15, 2015.

REUTERS/Lauren CuIIer/Dartmouth College/Handout via Reuters 

WASHINGTON BY WiII Dunham

Rising temperatures at the top of the world may be bad news for Arctic denizens like polar bears, but good news for the local mosquitoes, pesky bloodsuckers that prosper with warmer weather.

 

Researchers said on Tuesday that increasing temperatures were enabling Arctic mosquitoes to grow more quickly and emerge sooner from their pupal stage, greatly expanding their numbers and menacing the caribou whose blood they eat. The findings illustrate the complex and sometimes unpredictable consequences of climate change, particularly in sensitive regions like the Arctic, the researchers said.

 

The researchers said mosquitoes were already emerging two weeks sooner than in the past and experiencing accelerated growth that lets them reduce their time in the ponds when they could be eaten by their main predators, diving beetles.

 http://www. reuters.com/articIe/201 5/09/1 6/us-science-mosquitoes-idUSKCNORGO1 Q201 5091 6 Acessado em 16/09/2015. Adaptado para fins educacionais.

 

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