Dogs Are More Sensitive at Detecting Odors Than Humans Because

question 12

Multiple Choice

Dogs are more sensitive at detecting odors than humans because:

• A) dogs have more types of receptors but the same overall number of receptors.
• B) both have the same number of receptors. However, more sophisticated processing occurs at the cortical level in dogs.
• C) dogs have fewer types of receptors, so they become less confused between smells.
• D) dogs have as many as 1 billion receptors, while humans have only 3-7 million.

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Definitions:

Radioactivity

The process by which unstable atomic nuclei lose energy by emitting radiation, including alpha particles, beta particles, and gamma rays.

Poisson Distribution

A probability distribution that expresses the probability of a given number of events occurring in a fixed interval of time or space when these events occur with a known constant mean rate and independently of the time since the last event.

Poisson Random Variable

Reflects the number of times a specified event occurs within a fixed interval, assuming events occur independently and at a constant rate.

Poisson Probabilities

The probability distribution that measures the probability of a given number of events happening in a fixed interval of time or space, assuming these events occur with a known constant mean rate and independently of the time since the last event.