D, because they produce the food for the consumers, like grass.
<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>
Vegetables,Fruits,Nuts, ETC.
Answer:
the ocean helps slow the effects of gobal warming by absorbing the excess heat - trapping CO2 from the atmosphere.
Hope it helps!
