As nouns the difference between energy and autotrophy

is that energy is the impetus behind all motion and all activity while autotrophy is (biology) the synthesis of food from inorganic substances, using heat or light as a source of energy.

In biology|lang=en terms the difference between strain and auxotrophic

is that strain is (biology) a particular breed or race of animal, microbe etc while auxotrophic is (biology) describing a strain of organism that requires a specific metabolic substance that the parent organism was able to synthesize by itself.

As a noun strain

is (obsolete) treasure or strain can be the act of straining, or the state of being strained.

As a verb strain

is (obsolete) to hold tightly, to clasp.

As an adjective auxotrophic is

(biology) describing a strain of organism that requires a specific metabolic substance that the parent organism was able to synthesize by itself.

In biology|lang=en terms the difference between organism and auxotrophic

is that organism is (biology) a discrete and complete living thing, such as animal, plant, fungus or microorganism while auxotrophic is (biology) describing a strain of organism that requires a specific metabolic substance that the parent organism was able to synthesize by itself.

As a noun organism

is (biology) a discrete and complete living thing, such as animal, plant, fungus or microorganism.

As an adjective auxotrophic is

(biology) describing a strain of organism that requires a specific metabolic substance that the parent organism was able to synthesize by itself.

As adjectives the difference between metabolic and auxotrophic

is that metabolic is of or pertaining to metamorphosis; pertaining to, or involving, change while auxotrophic is (biology) describing a strain of organism that requires a specific metabolic substance that the parent organism was able to synthesize by itself.

As a noun substance

is physical matter; material.

As an adjective auxotrophic is

(biology) describing a strain of organism that requires a specific metabolic substance that the parent organism was able to synthesize by itself.

In biology|lang=en terms the difference between parent and auxotrophic

is that parent is (biology) an organism from which a plant or animal is immediately biologically descended while auxotrophic is (biology) describing a strain of organism that requires a specific metabolic substance that the parent organism was able to synthesize by itself.

As a noun parent

is one of the two persons from whom one is immediately biologically descended; a mother or father.

As a verb parent

is to act as parent, to raise or rear.

As an adjective auxotrophic is

(biology) describing a strain of organism that requires a specific metabolic substance that the parent organism was able to synthesize by itself.

As a verb synthesize

is to combine two or more things to produce a new, more complex product.

As an adjective auxotrophic is

(biology) describing a strain of organism that requires a specific metabolic substance that the parent organism was able to synthesize by itself.

As nouns the difference between lifecycle and aposymbiosis

is that lifecycle is while aposymbiosis is (biology) a form of symbiosis in which two species live independently of each other, but their lifecycles affect one another.

As nouns the difference between proteoglycan and arabinogalactan

is that proteoglycan is (biochemistry) any of many glycoproteins that have heteropolysaccharide side chains while arabinogalactan is (carbohydrate) any of a class of proteoglycans found on the cell surface of flowering plants, sometimes used as a dietary supplement.

As an adjective dietary

is of, or relating to diet.

As a noun arabinogalactan is

(carbohydrate) any of a class of proteoglycans found on the cell surface of flowering plants, sometimes used as a dietary supplement.