One Hypothesis Explaining Animals' Abilities to Detect a Magnetic Field

question 54

Multiple Choice

One hypothesis explaining animals' abilities to detect a magnetic field and use it to navigate is that sensory cells detect electrical fluctuations influenced by Earth's magnetic field. Which of the following pieces of evidence, if it were true, would support this hypothesis?

• A)Sensory cells of an organism known to use magnetic fields to navigate show an increase in action potential firing when in the presence of electrical fluctuations.
• B)Sensory cells of an organism known to use magnetic fields to navigate show a decrease in action potential firing when in the presence of electrical fluctuations.
• C)Sensory cells of an organism known to use magnetic fields to navigate show a greater density of negative ions on the outside of its plasma membrane.
• D)Sensory cells of an organism known to use magnetic fields to navigate produce greater amounts of enzymes sensitive to electrical fluctuations.

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Definitions:

Compounded Semiannually

The process of calculating interest on both the initial principal and the accumulated interest of previous periods on a semiannual basis.

Single Investment

Single investment refers to an investment in only one asset or security, rather than diversifying across multiple investments.

Annual Interest Rate

The Annual Interest Rate is the percentage of interest that is charged or earned on an investment, loan, or savings account over the span of a year.

Investment

The allocation of resources, such as capital, time, or assets, with the expectation of generating an income or profit.