Zoology Unit 7 Flashcards
What characteristics did amphibians evolve in order to adapt to life on land?
limbs
Difference between hibernation and estivation?
cold versus hot weather
which reptile senses are best and worst developed?
best: smell, sight
worst: hearing
how do the specie of sea turtles obtain their food?
as babies, they’re omnivores. as adults, they’re herbivores
what determines the sex of a sea turtle?
temperature of surrounding sand (cold=male, warm=female)
what is an amniotic egg? what does it allow reptiles to do that amphibians can’t?
the egg has a shell, and it lets reptiles live entirely on land
what groups of animals are amniotes?
reptiles, mammals, birds
compare respiration between amphibians and reptiles
amphibians: gills and/or lungs, transfer through skin
reptiles: lungs and “buccal pump”
function of amphibian cloaca
all wastes and reprodution
what are baby sea turtles called?
hatchlings
what is the skin of most reptiles covered with?
waterproof scales
how do the major groups of terrestrial reptiles get food?
carnivores
which sea turtle is the largest?
leatherback
which sea turtle is smallest?
Kemp’s Ridley
Which sea turtle has greatest geographic range?
leatherback
Which sea turtle is most common?
loggerhead
Which sea turtle is most endangered?
Kemp’s Ridley
etymology of amphibian
“two lives”
etymology of reptile
“creeper”
is amphibian fertilization internal or external?
frogs are external, others are internal
is reptile fertilization internal or external?
internal
amphibian eggs vs reptilian eggs
amphibian: no shell, need to be laid in water
reptilian: amniotic, can be laid on land
which group of organisms were most likely the ancestors of amphibians?
lobe-finned fish
major reptile groups
crocodilia, sphenodontia, squamata, testudines
Crocodilia animals
crocodiles, ghorials, caimans and alligators
Sphenodontia
sphenodors
Testudines
turtles, terrapins, tortoises
Squamata
lizards, snakes, amphibians
how do frogs produce sound?
larynx, like people
major groups of amphibians and their organisms
frogs and toads: strong limbs
salamanders and newts: longer body
Calcilians: no legs
Chambers of fish, amphibian, and reptile hearts
fish have 2, amphibians and reptiles have 3
thermoregulation in reptiles
move to another place?
