When Comparing Energy and Chemicals in an Ecosystem

question 28

Multiple Choice

When comparing energy and chemicals in an ecosystem

• A) both chemicals and energy cycle over and over again.
• B) chemicals cycle over and over again but energy does not cycle.
• C) neither chemicals nor energy cycle.
• D) energy cycles over and over again but chemicals do not cycle.

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Definitions:

Anticline

A type of fold in the Earth's crust characterized by an arch-like shape where the oldest rock layers are at the center of the fold, usually formed by compressional tectonic forces.

Syncline

A fold in rock layers where the youngest layers are closer to the center of the structure, typically shaped like a trough.

Limestone

A sedimentary rock composed primarily of calcium carbonate (CaCO3) in the form of the mineral calcite, often formed from the skeletal fragments of marine organisms.

Sandstone

A sedimentary rock composed mostly of sand-sized minerals or rock grains.