we try to determine if we can use sugar intake and hours of exercise to predict an individual's weight change, which test should we use?

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

the answer would be   10%

essentially, one bacterial cell splits into two daugurer cells. bacterial offspring don't need or get care from their parents because they are in a sense their own parents. that said, some bacteria can and do depend on other bacteria especially in harsh environments such as bacterial microfilms in hot water tanks.