5. which tool enhances a scientist’s senses? a microscope a stirring stick a test tube a calculator

The correct answer is A. A microscope

Explanation:

Microscopes are observation instruments with special lenses that allow scientist to observe small objects and organism in detail which is regularly not possible with limited human sight. Due to this, a microscope enhances or improves the sight sense by enlarging images of objects, indeed specialized microscopes can magnify an object up to twenty thousand times. Thus, the tool that enhances a scientist's senses is the microscope that enhances the sigh sense. Also, others such as test tubes or calculators are scientific tools but none of these can improve one of the five senses.

as the gila monster consumes the eggs or young of the desert cottontail and gambel's quail, thus its main food supply is only accessible for a restricted time duration every year. however, for this, the gila monsters exhibit three adaptations, which elevate their survival rate in the desert condition.  

first, is that they possess huge bodies, and can consume greater concentrations of food during a small period. secondly, they require to feed infrequently as they can accumulate fat in their tails. ultimately, their rate of metabolism is very low, so that they can burn their reservoirs of fat gradually.