👉 Cenozoology is a scientific discipline that examines the evolution of life on Earth, starting from the earliest known organisms, and tracing their evolutionary history back to the Cambrian explosion (around 540 million years ago) in which all living things were classified as animals. The term "cenozoology" refers to the study of the period between the time when the first plants and animals appeared on Earth and the emergence of life as we know it today. It is a major part of
