He independent variables in Part I, the ones intentionally manipulated, are the .

The independent variable in Part II, the one that is intentionally manipulated, is the .

The dependent variable for both Parts I and II, the one that you measure the response in, is the .

well, since there is no answer choices, i will give an answer on how it works : )

the two objects are placed together. energy will always be transferred from the hotter object to the cooler object until they are equal. hope this is close to one of the answer choices : )

because photosynthesis could not occur (apex)

answer///alimentary canal/gastrointestinal tract.digestive (gi);