Photosynthetic Organisms Are Unique to Most Ecosystems Because They

question 3

Multiple Choice

Photosynthetic organisms are unique to most ecosystems because they

• A) synthesize organic compounds they obtain from decaying heterotrophs.
• B) synthesize inorganic compounds from organic compounds.
• C) use light energy to synthesize organic compounds.
• D) use chemical energy to synthesize organic compounds.
• E) convert light energy into matter.

---

Definitions:

Myelination

The process of forming a myelin sheath around nerves, enabling faster electrical impulse transmission.

White Matter

The part of the nervous system consisting mainly of myelinated neurons' axons, responsible for transmitting impulses between different areas of the central nervous system.

Local Potential

A temporary, localized change in the resting potential of a neuron that makes it more likely or less likely to fire an action potential.

Threshold

The minimum level of stimulus intensity required to activate a neural response or trigger a physiological process.