Module one Flashcards
a relative dating method that focuses on using fossilised organisms to date
biostratigraphy
Dinosaurs were alive in the ____ era
mesozoic
T/F - MOSASAURS are dinosaurs
f
t/f - reptiles who fly in the air are dinosaurs (pterosaurs)
f
dinosaurs came to be in early _____ period and went extinct in ____ period of the ____ era
triassic, cretaceous, mesozoic
first protozoa (cell of life) appeared ____ ma
750
first organisms with bilateral symmetry appeared ____ MA in the late _____
550, proterozoic period/eon
mpst modern phyla started to appear in the fossil record during the ___ ___
cambrian explosion
possess a notochord, dorsal nerve cord, pharangyal gill slits , post anal tail and bilateral symmetry (haikouichthys) - vertibrates
phylum chordata
pangea formes in the ____ ___ period
late triassic
pangea separates in 2 large continents (_____ and _____) in the _____ ____ period
gondwana, laurasia, late jurassic