Marco knows the medicine is safe because it was prescribed to him by a doctor.
Answer:
Explanation: I think the answer is Dichotomous.
<span>Not all plants use the C4 or CAM
pathways to avoid photorespiration because they require a lot of extra energy
to perform their function. In photosynthesis, minimizing water loss is essential;
C4 plants relocate the carbon dioxide to lessen photorespiration while CAM
plants indicates when to extract carbon dioxide. Their function is also related
to plants survival where C4 plants is usually a summer plant while CAM plants
is suited to thrive in desserts. Therefore, only plants that need special
requirement to survival use these pathways.</span>
