Answer: Gradualism and punctuated equilibrium are two ways in which the evolution of a species can occur. A species can evolve by only one of these, or by both. Scientists think that species with a shorter evolution evolved mostly by punctuated equilibrium, and those with a longer evolution evolved mostly by gradualism.
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Answer: Animals use only respiration, while plants use both photosynthesis and respiration.
        
             
        
        
        
Answer:
b and d btw are you taking an exam? Or test?
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D through a microscope!
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A. More Crop Rotation 
*B. Reduced Biodiversity*
C. Reduced Soil Erosion 
D. More Cash Crop