Thermal Energy Is

question 23

Multiple Choice

Thermal energy is

• A)the energy stored within the structural units of chemical substances.
• B)the energy associated with the random motion of atoms and molecules.
• C)solar energy, i.e.energy that comes from the sun.
• D)energy available by virtue of an object's position.

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Definitions:

Nonphotosynthetic

Organisms or cells that do not have the ability to convert light energy into chemical energy through photosynthesis.

Pigments

Substances that give color to tissues, cells, and materials by absorbing certain wavelengths of light and reflecting others.

Extracellular

Located or occurring outside a cell or cells, often referring to substances or fluids in the spaces between cells.

Signaling Molecules

Chemicals that are involved in transmitting information between cells, allowing for processes such as growth, immune response, and neurotransmission.