Tóm tắt: Beginning with the earliest and simplest forms of life, Southwood discusses such amazing creatures as bacteria that live around geysers and thermal vents and can survive in boiling water. He explains how the development of skeletons triggered the Cambrian Explosion, when animals such as trilobites, sea scorpions, shellfish, cephalopods first spread around the earth. He also examines such landmarks of evolution as the appearance of eggs in shells and of insects in flight. We read about the great dinosaurs ...
Trung tâm Học liệu – Phát triển Dạy và Học
Số 126 - Nguyễn Thiện Thành, Khóm 4, phường 5, TP. Trà Vinh - Tỉnh Trà Vinh. ĐT: (074)3855246 - 232 - Email: lrc@tvu.edu.vn
