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which of the following came first in the scientific study of living organisms?
a. light microscope
b. cell theory
c. electron microscope
d. model of dna

As a small change in a person's dna can cause a genetic disorder

Agenus is a taxonomic grouping that identifies a collection of species. when a scientist discovers a new species, how is this species assigned to a genus

What function does a limb serve in each animal how are the limb bones of the four animal similar based on the similarities what can be inferred about the evolution of the poor animals