As nouns the difference between infection and preinfection

is that infection is (pathology) the act or process of infecting while preinfection is infection prior to another process.

As nouns the difference between penetration and prepenetration

is that penetration is penetration while prepenetration is penetration prior to another process.

In biology terms the difference between symbiotic and presymbiotic

is that symbiotic is of, or relating to symbiosis; living together while presymbiotic is describing the time, or developmental stages, before the development of a symbiotic relationship.

As a noun symbiotic

is symbiotic star.

As a noun proteobacteria

is .

As an adjective proteobacterial is

of or pertaining to the proteobacteria.

As nouns the difference between gastropod and provannid

is that gastropod is any member of a class of mollusks (Gastropoda) that includes snails and slugs; univalve mollusk while provannid is any gastropod of the family family: Provannidae, especially those found associated with hydrothermal vents.

As an adjective reflexive

is .

As a noun automatization is

a process of making an action of a higher animal reflexive.

In biology|lang=en terms the difference between photosynthesis and plastid

is that photosynthesis is (biology) the process by which plants and other photoautotrophs generate carbohydrates and oxygen from carbon dioxide, water, and light energy while plastid is (biology) any of various organelles found in the cells of plants and algae, often concerned with photosynthesis.

As nouns the difference between photosynthesis and plastid

is that photosynthesis is (biology) the process by which plants and other photoautotrophs generate carbohydrates and oxygen from carbon dioxide, water, and light energy while plastid is (biology) any of various organelles found in the cells of plants and algae, often concerned with photosynthesis.

Protoplastid is a derived term of plastid.

In biology|lang=en terms the difference between protoplastid and plastid

is that protoplastid is (biology) an immature plastid that is incapable of photosynthesis while plastid is (biology) any of various organelles found in the cells of plants and algae, often concerned with photosynthesis.

As nouns the difference between protoplastid and plastid

is that protoplastid is (biology) an immature plastid that is incapable of photosynthesis while plastid is (biology) any of various organelles found in the cells of plants and algae, often concerned with photosynthesis.

As a noun plastid

is (biology) any of various organelles found in the cells of plants and algae, often concerned with photosynthesis.

As an adjective plastidial is

of or pertaining to a plastid.

As nouns the difference between psychosomaticist and psychosomatician

is that psychosomaticist is a specialist in psychosomatic disorders while psychosomatician is a psychosomaticist: a specialist in psychosomatic disorders.