Quiz 7B

A  endothermic lifestyle

B  one-way air flow through respiratory tract

C  pneumatized bone

D  4-chambered heart

E  increased proportion of dark musculature

A  birds can remain on their perch even when they sleep

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

C  birds can meditate and enjoy yoga exercises

D  they require an increased amount of dark musculature

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

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

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

D  occurred because most forms of dinosaurs evolved into birds

A  small Velociraptor with wings and feathers

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

C  modern flightless bird–a smaller version of an emu

D  none of the options are correct

A  bilateral symmetry

B  tetrapods

C  4-chambered heart

D  diphyodont condition

E  endodthermy

A  all options listed are correct

B  are generally larger than males

C  will be very promiscuous

D  are the primary caregivers to offspring

A  endothermy

B  dense, heavy bones

C  a 4-chambered heart

D  feathers designed as airfoils

E  a flat sternum

A  actively compete for females through physical battles

B  mate with many females during each breeding season

C  are the primary caregiver to their young

D  are larger and showier in coloration than females

E  perform elaborate courtship rituals

A  all options listed are correct

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

C  are pair-bonded for life

D  share parental duties