Trout and amoebas are both heterotrophs, and can inhabit similar environments (for example, a freshwater pond). However, these organisms are very different when it comes to their shape and size. Why?
A. Trout and amoebas utilize different
sources of CO2.
B. Trout and amoebas utilize different
sources of C6H12O6 (or other organic
compounds).
C. Trout and amoebas utilize different
sources of O2.
D. Trout and amoebas have different
metabolic pathways.
E. Trout and amoebas are exposed to
different environmental conditions, even
when they inhabit the same pond.
B
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