GEOL 1001 : Geology Exam 5
Document Summary
By the end of the triassic, some had recovered. The jurassic was the age of the cycads. The late permian extinction of so much marine benthic life allowed a brief return of. Permian reefs were made by rugose and tabulate corals. Hexacorals, a new type of reef builder appeared and replaced rugose and. Two new microscopic phytoplankton are dinoflagellates and calcareous. The detailed patterns on ammonoid shells was distinctive for each species. Conodonts are teeth of a small fish-like vertebrates. The jaw was relatively simple and many ray-fin fish had peg-like teeth adapted to crush shell fish. Most of the trees were gymnosperms that belonged to three groups: B) confiers answer is ferns if these are other 3 options. The main differences between dinosauromorphs and dinosaurs were the shape of the skull and the more highly developed teeth in dinosaurs. Dinosauria is divided into two groups based on the pelvis shape.
