Answer:
An autotroph is a cell that is capable of producing its own energy using photosynthesis or, less commonly, chemosynthesis.
A heterotroph is a cell that must consume its energy from external sources, for instance, hunting for prey or eating autotrophs.
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Which are open because there are wild animals roaming
Answer:Classification, in biology, the establishment of a system of categories on the basis of presumed relationships among organisms. The science of biological classification is commonly called taxonomy.
A hormone imbalance may occur if this feedback system has trouble keeping the right level of hormones in the bloodstream, or if your body doesn't clear them out of the bloodstream properly.
