Create a hypothesis about why the flies have different phenotypes. 1. I think...
because...

2. Changes in an organism’s phenotype are called which are caused by changes in .

the answer is:

carbon dioxide

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

i hope this : )

the answer to your question is tooth decay.