The leaf because it is the major structure of photosynthesis in a plant.
The answer is Reductionism approach. Reductionism is any of a few related philosophical thoughts in regards to the relationship between marvels which can be portrayed as far as other less difficult or more essential wonders. Reductionism emphatically speaks to a specific viewpoint of causality. In a reductionist system, the marvels that can be clarified totally regarding relations between other more central wonders, are named epiphenomena.
C is the correct answer i took a test and got 100
I think the answer is D.) thermometer and graduated cylinder.
My reason for choosing that answer is because none of the other tools would help to measure the speed of water evaporating in different tempts.
Organs are grouped into organ systems, in which they work together to carry out a particular function for the organism. For example, the heart and the blood vessels make up the cardiovascular system.