Bb5a31f81ClaimSedimentary rocks containing non-avian dinosaur fossils range in age between approximately 237 million years and 66 million years oldAgreeDisagree
Bb5a31f81ClaimComplex multicellular life first emerged in the fossil record approximately 500 million years agoAgreeDisagree
Bb5a31f81ClaimThe Cretaceous toothed aquatic bird Hesperornis possessed true teeth along its jawsAgreeDisagree
Bb5a31f81ClaimThe wild California condor population declined to 22 individuals around the 1980s before a captive breeding program was initiatedAgreeDisagree
Bb5a31f81ClaimThe last surviving woolly mammoth populations became extinct on Wrangel Island approximately 4,000 years agoAgreeDisagree
Bb5a31f81ClaimModern crocodilians exhibit indeterminate growth, continuing to increase in body size as they age throughout their livesAgreeDisagree
Bb5a31f81ClaimStomatosuchus was a Cretaceous crocodyliform from Egypt characterized by a broad flattened snout and an expandable throat pouchAgreeDisagree
Bb5a31f81ClaimThe Central Atlantic Magmatic Province released massive quantities of carbon dioxide that triggered rapid global warming during the End-Triassic extinctionAgreeDisagree
Bb5a31f81ClaimThe giant crocodyliform Sarcosuchus imperator lived in North Africa during the Cretaceous period and reached lengths of approximately 35 feetAgreeDisagree
Bb5a31f81ClaimNeanderthals had an average cranial capacity that was larger than modern Homo sapiensAgreeDisagree
Bb5a31f81ClaimThe human genome has remained largely unchanged over the decades during which global obesity rates have risen sharplyAgreeDisagree
Bb5a31f81ClaimThe Chicxulub impact created an initial crater roughly 110 miles in diameter and 12 miles deepAgreeDisagree
Bb5a31f81ClaimDinosaurs persisted as an animal group for approximately 165 million years prior to their extinctionAgreeDisagree
Bb5a31f81ClaimNewly hatched hoatzin chicks possess functional claws on their wing digits to assist in climbing vegetationAgreeDisagree
Bb5a31f81ClaimSub-orbital debris ejected by the Chicxulub impact generated intense radiative infrared thermal pulses upon atmospheric re-entryAgreeDisagree
Bb5a31f81ClaimPostosuchus was a predatory archosaur of the Triassic period that displayed a bipedal stanceAgreeDisagree
Bb5a31f81ClaimThe Chicxulub asteroid impact occurred approximately 66 million years ago off the coast of the Yucatan PeninsulaAgreeDisagree
Bb5a31f81ClaimModern birds and non-avian saurischian dinosaurs possess unidirectional respiratory systems that cycle air through specialized pulmonary air sacsAgreeDisagree
Bb5a31f81ClaimPaleontologists identified fossilized quill insertion knobs on the forearm bones of the theropod dinosaur VelociraptorAgreeDisagree