Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
A species refers to a group of organisms that share common characteristics and can interbreed to produce fertile offspring. It is a fundamental unit of biological classification.
Evolution is the process by which different species arise from common ancestors over long periods of time through genetic changes and natural selection.