adjective🔗Shareحقبة الحياة القديمةOf a geologic era within the Phanerozoic eon that comprises the Cambrian, Ordovician, Silurian, Devonian, Carboniferous and Permian periods from about 542 to 250 million years ago, from the age of trilobites to that of reptiles."My daughter is learning about the Paleozoic era in her Earth Science class, studying fossils of sea creatures from that ancient time. "تتعلم ابنتي عن حقبة الحياة القديمة في حصة علوم الأرض، وتدرس أحافير الكائنات البحرية من ذلك العصر القديم.geologyagetimehistoryscienceChat with AIVocabulary GamePractice Reading
