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Hadrosaur is May have been the only _____ dinosaurs
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- The dinosaurs died out______ million years agoCompared to the skulls of ancestral sarcopterygians and modern lungfish the skulls of Acanthostega and Ichthyostega were ____. narrower with the eyes more ventrally located narrower more rounded to reduce drag for faster swimming flatter with the eye sockets more dorsally locatedPeramorphosis can occur when a feature, such as horns, ______in a descendent than in its ancestor. grows faster grows more slowly stops growing earlier starts to grow later
- Fossil evidence that many saurapod dinosaurs had feathers suggests that ____. flight is an ancestral condition for sauropod dinosaurs sauropod dinosaurs were endothermic sauropod dinosaurs were ectothermicWhat color is this dinosaur? That can’t be orange skin unless brown or blue not blueReptiles came to dominate the land in the _________ Period of the Paleozoic Era.
- Compared to lissamphibians, _____ most amniotes are better adapted to aquatic lifestyles most amniotes have smaller adult body sizes most amniotes are better adapted to fully terrestrial lifestyles most amniotes lay smaller eggs that require less maternal resources to produceCaecelians are unique from most lissamphibians in that _____. caecilians live mainly in colder regions at higher latitudes caecilians have larger eyes and better vision caecilian embryos develop within the mother and get nutrients from her the oviduct walls caecilians lay larger eggs that share many of the features of amniotic eggsScales of modern teleosts differ from the ancestral state in that they _____. are thicker and provide better protection are thinner and more flexible
- Dinosaurs website Co exist Like example what dinosaurs lived with gigiantosaurs in time line and what place of world and what species it lived with that it will see everyday like sauropods/ceratopsian/raptors or theropods or flying reptiles Can’t find good sourceIn the hips of modern birds the pelvic bone is _____. angled posteriorly because birds descended from dinosaurs with pelvic bones oriented posteriorly angled anteriorly because birds descended from dinosaurs with pelvic bones oriented anteriorly angled posteriorly even though they evolved from dinosaurs with anteriorly angled pelvic bonesDinosaurs (apart from birds) went extinct at the end of the Permian because they were poorly adapted to their environment False True