Classifying things by observation can best be done by using a : Taxon
Taxon divided organisms into different groups based on their unique similarities, which is the best way to classify things if you're doing it by observation.
Answer:
Conditioned stimulus
Explanation:
The conditioned stimulus is a previously neutral stimulus that, after becoming associated with the unconditioned stimulus, eventually comes to trigger a conditioned response.
It is a case of CODOMINANCE where the two alleles are expressed
A mountain lion should have wider bone rings because it has a higher metabolic rate, and thus a faster growth rate
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