Marine reptiles are ectothermic. What does ectothermic mean?
Relying on the environment to regulate body temperature
Pertaining to the acquisition of oxygen from the water
Pertaining to the recruitment of young to a new area
Relying on the circulatory system to regulate temperature
Birds are ______________ ; they are the first group of vertebrates capable of regulating and maintaining a constant body temperature, independent of their surroundings.
endothermic
independent
dependent
exothermic
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.
lost
none of these
do not
do
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.
up and down
submarine
motor like
inverted
Bony fish are called __________.
Osteichthyes
Eistichthyes
Chonrichthyes
Archrichthyes
Cartilaginous fishes are called
Chonrichthyes
Osteichthyes
Arichthyes
Eistichthyes
The largest sea turtle species is the ___________ while the smallest is the Kemp's ridley.
loggerhead
flatback
Crush from finding nemo
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
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. 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
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. Cephalization
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 endoskeletal system made of cartilage or bone
Chordate
Vertebrate
Unlike most marine mammals, otters rely on _____ for insulation.
body weight
blubber
circulatory system
dense fur
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
sea birds
volcano birds
marsh birds
Instead of teeth, mysticetes have ___________ composed of keratin.
baleen
Gums
Spouts
Roots
