poikilotherm

As adjectives the difference between ectothermic and poikilotherm

is that ectothermic is of, or relating to an ectotherm; cold-blooded while poikilotherm is cold-blooded.

As a noun poikilotherm is

a cold-blooded animal.

As nouns the difference between ectotherm and poikilotherm

is that ectotherm is a cold-blooded animal which regulates its body temperature by exchanging heat with its surroundings while poikilotherm is a cold-blooded animal.

As an adjective poikilotherm is

cold-blooded.

As nouns the difference between taxonomy and poikilotherm

is that taxonomy is the science or the technique used to make a classification while poikilotherm is a cold-blooded animal.

As an adjective poikilotherm is

cold-blooded.