Solve the Problem

question 26

Multiple Choice

Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.
-Assume that the volume of the earth is cubic meters and the volume of a bacterium is cubic meters. If the earth could be filled with bacteria, how many would it contain?

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Definitions:

Reflex Pathways

The neural circuits involved in involuntary responses to certain stimuli, enabling rapid reactions without conscious brain involvement.

Motor Neurons

Nerve cells forming part of the nervous system that transmit signals from the brain and spinal cord to muscles or glands, causing them to act.

Interneurons

Neurons within the brain and spinal cord; they communicate internally and process information between the sensory inputs and motor outputs.

Sensory Neurons

Neurons that transmit sensory information from the body's periphery to the central nervous system.