Night blindness is caused by vitamin A
My Answer: Mutations produces random changes in an organisms genetic code. Some examples of the changes are: None of the mutations may have a positive, negative nor neutral effect on the organism. A different organism may be produced. Mutations help organisms better, so that they're able to survive, if mutations do that it is more likely that the organism will survive and pass the mutated gene onto the next generation.
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<span>The weather on Jamaica is very hot and humid. The marine factors affect weather in Jamaica is the Atlantic Ocean also Jamaica is on the hurricane belt and that causes storm damage</span>
99% of calcium is found inside the cells of the body.
