All of the Following Are True About Ecosystems Except

question 48

Multiple Choice

All of the following are true about ecosystems except

• A)they contain both living and nonliving components.
• B)there is a transfer of energy through the system and it is lost.
• C)there is a cycling of nutrients through the system again and again.
• D)the ultimate source of energy is the sun for nearly all known ecosystems.
• E)they represent the lowest level of biological organization that is known.

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Definitions:

Inhibitory Postsynaptic Potentials

Electrical changes in the membrane of a postsynaptic neuron that make the neuron less likely to generate an action potential.

Depolarize

In social contexts, to reduce or neutralize extreme views or tensions between opposing parties or viewpoints.

Reuptake

The process by which neurotransmitters are absorbed by the nerve cell that released them, thereby terminating the signal between nerve cells.

Antagonism

An active opposition or hostility, either between individuals or forces, that can manifest in various contexts including biology, chemistry, and social interactions.