I believe the answer is hormones. correct me if i'm wrong.
Answer:
The stimuli is photoreceptor
Explanation:
The fish has been conditioned to react to light so it has conditioned response
D. The discoveries confirmed many but not all of the classifications that were based on observable traits, and scientists revised classifications when necessary.
<span>I can infer that the importance of the Y is yellow and prevailing is the allele mix Yy is for yellow seeds. Yy implies that the phenotype demonstrated will mirror the capital letter, or the overwhelming one, which ends up being yellow. In the allele combination Yy, the Y is more dominant over y. If the combination equals yellow seeds, therefore, Y must be yellow seeds</span>
