Organisms That Digest Molecules in Organic Material and Convert Them

question 13

Multiple Choice

Organisms that digest molecules in organic material and convert them into inorganic forms are

• A)primary consumers.
• B)decomposers.
• C)primary producers.
• D)detritivores.

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Definitions:

Pyloric Opening

The opening from the stomach into the duodenum, regulated by the pyloric sphincter to control the passage of digested food.

Chyme

A semi-fluid mass of partly digested food that moves from the stomach to the small intestine.

Cholecystokinin

A hormone secreted by cells in the duodenum that stimulates the digestion of fat and protein.

Fatty Acids

Long hydrocarbon chains with a carboxylic acid group at one end, essential components of lipids and important sources of energy.