Class Mammalia Flashcards
What is the phylum
Chordata
What is the subphylum
Vertebrata
What is the class?
Mammalia
What is the body like?
covered w/ hair
Integument has what glands?
-sweat, scent, & mammary glands
The mouth has what type of teeth?
-diphyodont teeth (milk/deciduous teeth replaced by permanent set of teeth\
-heterodont teeth (there are tooth shape differences along the tooth row)
What are the eyelids & ears like?
movable eyelids & fleshy external ears
What are the limbs like?
4 limbs
What is the circulatory system like?
4 chambered heart
What is the respiratory system like?
-lungs w/ alveoli
- voice box (larynx)
-secondary palate (false) that separates air & food passages
-Muscular diaphragm separating thoracic & abdominal cavities
How do they manage their temperature
endothermic
What is the sex like? reproduction?
seperate sexes & viviparous
What is the fertilization like?
-internal fertilization
-eggs developed in uterus w/ placental attachment
-fetal membranes = amnion, chorion, allantois
Mammalia often live in trees meaning they are?
Arboreal
What animal has a hard palate
crocodile
