What species in alaska has become vulnerable that the local people depend on? why are the caribou grazing on the rocky hillside rather than the lush pastures? why are the mosquitoes becoming worse? why is more rain in the winter months a bad thing? how much of the earth’s water is in the pacific ocean? what is the most basic and important food source in the pacific? what two things combined are threatening zooplankton from rebounding? what do studies show about temperature tolerance of intertidal animals? how much of a temperature difference can the crabs take if the waters warm up? in trinidad there is a rise of two diseases. what is the first disease being faced especially by young children? what is the second disease and in what species? what is causing these two very separate diseases? why is lake chad in nigeria disappearing? what in particular is causing the sea fan disease in coral? dust has always been blown through the air. what is causing it to become worse (hint – it has to do with air masses)? how is the indian ocean connected to this problem?