A trait is the organism's feature. So, a trait would be eye color. A phenotype would be hazel. An allele is a gene. It can be recessive or dominant.
Answer:
TRUE
Explanation:The all-or-none law is a principle that states that the strength of a response of a nerve cell or muscle fiber is not dependent upon the strength of the stimulus. ... Essentially, there will either be a full response or there will be no response at all for an individual neuron or muscle fiber.
Answer:
Red blood cell arrives from the inferior vena cava into right atrium before it passes through the tricuspid valve into right ventricle. It then passes through the pulmonary valve into pulmonary artery before travelling through the lungs and back into the heart, this time the left atrium via the pulmonary vein.
Explanation:
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I believe that classical conditioning is a type of learning in which a neutral stimulus comes to elicit a response after being paired with a stimulus that would elicit the same response naturally. It is where a conditioned stimulus becomes associated with an unrelated unconditioned stimulus in order to produce a behavioral response which is referred to as a conditioned response.
