Quiz 7B

A  increased proportion of dark musculature

B  endothermic lifestyle

C  pneumatized bone

D  one-way air flow through respiratory tract

E  4-chambered heart

A  birds can meditate and enjoy yoga exercises

B  birds can enter a state of hibernation and slow the metabolism to conserve energy

C  they require an increased amount of dark musculature

D  birds can remain on their perch even when they sleep

A  was caused by the mammals, who had become superior ecological competitors by the end of the Mesozoic

B  had little to no effect on the overall composition of animal life on earth

C  occurred because most forms of dinosaurs evolved into birds

D  left ecological voids that mammals evolved to occupy in the early Cenozoic

A  none of the options are correct

B  modern flightless bird–a smaller version of an emu

C  small Velociraptor with wings and feathers

D  fruit-eating bat, using its wings to collect food

A  tetrapods

B  4-chambered heart

C  endodthermy

D  bilateral symmetry

E  diphyodont condition

A  are the primary caregivers to offspring

B  all options listed are correct

C  will be very promiscuous

D  are generally larger than males

A  endothermy

B  a 4-chambered heart

C  a flat sternum

D  dense, heavy bones

E  feathers designed as airfoils

A  are the primary caregiver to their young

B  mate with many females during each breeding season

C  perform elaborate courtship rituals

D  actively compete for females through physical battles

E  are larger and showier in coloration than females

A  are pair-bonded for life

B  have very different coloration patterns between males and females, share parental duties, are pair-bonded for life

C  all options listed are correct

D  share parental duties