Tetrapods, Mammals and Skeletons Flashcards
closest member of mammals
primates and rodents
frogs, toads, salamanders, amphiumas, sirens, newts, and caecilians
class amphibia
Bony skeletons with vertebrae, gills
during dev, no scales, moist and glandular integument – cutaneous respiration
class amphibia
protects the eyeball
Nictitating membrane
what are amphibia called reproductively
dioecious
what does dioecious mean
having the male and female reproductive organs in separate individuals.
- Allowed vertebrates to
conquer the land - 7,500 species
- Amniotic egg
- Watertight eggshell
- Internal fertilization
- Dioecious
- No larval stage
class reptilia
- Circulatory system and four
chambered heart - High metabolism and heart
rate – active hummingbirds
have 1,200+ bpm - Advanced immune systems
- Complex respiratory system
- Complete digestive system
- Well developed nervous
system: cerebellum,
cerebrum, large optic lobes
class aves
- marine, freshwater, aerial,
and terrestrial habitats - 5,000 species
- Presence of hair
- Pelage is the coat of a
mammal - Integument glands like
sweat glands, scent glands,
sebaceous glands, and
mammary glands - Endothermic
- Differentiated teeth for diet
- Four-chambered heart and
diaphragm that drives the
respiratory system
class mammalia
label this
mammals that lay eggs
Monotremes
chondrichthyes
know this
dorsal and pectoral and caudal fins, liver, kidney, heart, gills, stomach, swim bladder, intestines
Define the following:
- Endotherm:
- Ecotherm:
- Pokiliotherm:
Major features of Class Reptilia
Features that allow flight in bird
What is the tempanic membrane of frogs used for? Where is it?
Why are amphibians restricted to water?
