Marine reptiles are ectothermic. What does ectothermic mean?
Pertaining to the acquisition of oxygen from the water
Relying on the circulatory system to regulate temperature
Pertaining to the recruitment of young to a new area
Relying on the environment to regulate body temperature
Birds are ______________ ; they are the first group of vertebrates capable of regulating and maintaining a constant body temperature, independent of their surroundings.
exothermic
endothermic
dependent
independent
The true seals, such as the monk seal and elephant seal, differ from sea lions in that they _______________ have an external ear, have a relatively short neck, and use their rear flippers, rather than their front flippers, for propulsion.
do
do not
lost
none of these
Cetaceans propel themselves forward by moving their tail flukes in a/n ______________ motion. Sharks move forward by moving their caudal tail in a/n side to side motion.
submarine
inverted
up and down
motor like
Bony fish are called __________.
Eistichthyes
Chonrichthyes
Osteichthyes
Archrichthyes
Cartilaginous fishes are called
Arichthyes
Eistichthyes
Chonrichthyes
Osteichthyes
The largest sea turtle species is the ___________ while the smallest is the Kemp's ridley.
loggerhead
Crush from finding nemo
flatback
leatherback
All vertebrates are chordates, but not all chordates are vertebrates. Identify the characteristics as being applicable to a chordate or specific of a vertebrate. Presence of a dorsal nerve chord
Chordate
Vertebrate
All vertebrates are chordates, but not all chordates are vertebrates. Identify the characteristics as being applicable to a chordate or specific of a vertebrate. Presence of pharyngeal gill slits
Vertebrate
Chordate
All vertebrates are chordates, but not all chordates are vertebrates. Identify the characteristics as being applicable to a chordate or specific of a vertebrate. Development of a post-anal tail
Vertebrate
Chordate
All vertebrates are chordates, but not all chordates are vertebrates. Identify the characteristics as being applicable to a chordate or specific of a vertebrate. An outer covering of protective tissue
Chordate
Vertebrate
All vertebrates are chordates, but not all chordates are vertebrates. Identify the characteristics as being applicable to a chordate or specific of a vertebrate. Cephalization
Chordate
Vertebrate
All vertebrates are chordates, but not all chordates are vertebrates. Identify the characteristics as being applicable to a chordate or specific of a vertebrate. An endoskeletal system made of cartilage or bone
Vertebrate
Chordate
Unlike most marine mammals, otters rely on _____ for insulation.
dense fur
circulatory system
blubber
body weight
The ________________, such as penguins and pelicans, live throughout the oceans and travel great distances across the sea. The shore birds, including sandpipers and oystercatchers, have a greater dependency on terrestrial locations
Ice birds
volcano birds
sea birds
marsh birds
Instead of teeth, mysticetes have ___________ composed of keratin.
baleen
Spouts
Roots
Gums
