Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
고동물학은 고대 동물의 진화를 연구하는 학문입니다.godongmulhak-eun godae dongmul-ui jinhwaleul yeonguhaneun hakmun-imnida.Paleozoology is the study of the evolution of ancient animals.