: a class of things of the same kind and with the same name : kind. : a category of living things that ranks below a genus, is made up of related individuals able to produce fertile offspring, …

It can be defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. Other …

SPECIES definition: 1. a set of animals or plants in which the members have similar characteristics to each other and…. Learn more.

Nov 21, 2025 · Species, a level of biological classification comprising related organisms that share common characteristics and are capable of interbreeding. According to standard …

SPECIES definition: a class of individuals having some common characteristics or qualities; distinct sort or kind. See examples of species used in a sentence.

What is a species, and how many species are there? A species is a distinct group of organisms and the most basic unit used to measure life on Earth. However, there’s no single definition of …

Definition of species noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.