Which animals are endothermic?Group of answer choicesamphibians and birdsbirds and mammalsfish and reptilesfish and mammals

Endotherms maintain their body temperature mostly byMultiple choice question.burrowing or basking.matching their environment.their own metabolism.behavioral changes.

A dog is an endotherm and a lizard is an ectotherm.ONC1037Early in the morning, which animal will be the most metabolically active?

Select all the endotherms.Multiple select question.most reptilesmammalsbirdsmost amphibiansinsects

Endothermy requires an enormous amount of ______, which explains why birds and mammals must eat so much more food than ectotherms.Multiple choice question.cognitive powerenergyspeedstrength

Pterosaurs are an extinct group of flying reptiles thought to have evolved into modern birds. Modern birds are endothermic (warm-blooded), while modern reptiles are exothermic (cold-blooded). Because endothermic animals have higher metabolisms, they produce more metabolic byproducts, such as advanced lipoxidation end-products (ALEs). Jasmina Wiemann and her colleagues claim that pterosaurs, like birds, were endothermic, unlike other reptiles. To determine whether pterosaurs were endothermic or exothermic, Wiemann and her team measured ALEs in the bones of fossilized pterosaur bones and compared them to similar measurements of modern birds and reptiles.Which finding, if true, would most directly support their claim?Pterosaur bones had levels of ALEs similar to those of modern reptiles.eliminatePterosaur bones had lower levels of ALEs than modern reptiles.eliminatedPterosaur bones had lower levels of ALEs than modern birds.eliminatedPterosaur bones had levels of ALEs similar to those of modern birds.