Beginning with Archaeopteryx, this video looks at the emergence and adaptations of birds. Feathers from modified reptilian scales and hollow bones allowed flight, and this footage also looks at feather pigments. Other bird characteristics are also observed, including eggs, nests, offspring precocity, and migration. Courtesy of Discovery Channel
Find out how birds are dinosaurs and how scientists hope to manipulate gene expression to breed dinosaurs.
These flashcards will help you better understand Life Science for middle school.