Answer:
B. deciduous forest
Explanation:
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A. More Crop Rotation
*B. Reduced Biodiversity*
C. Reduced Soil Erosion
D. More Cash Crop
Differentiation is the process that creates specialized cells.
A biological system is a complex network of biologically relevant entities. ... Examples of biological systems at the macro scale are populations of organisms. On the organ and tissue scale in mammals and other animals, examples include the circulatory system, the respiratory system, and the nervous system. source: google