vocab 2.2

Producer

• An organism that can make its own food.

Consumer

• An organism that eats other organisms.

Decomposer

• An organism that eats dead stuff.

Protein

• Any of a class of nitrogenous organic compounds that consist of large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms.

Carbohydrate

• A class of molecules that includes sugars, starches and fiber.

Lipid

• A fat molecule

phospholipids

• a lipid containing a phosphate group in its molecule

ATP

• A molecule that acts as the main energy source for cell prossess.

nucleic acid

• a molecule made up of subunits called nucleotides.