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Class Mammalia
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Mammal Taxonomy
Class Mammalia
Subclass Prototheria Order Monotremata
duckbilled platypus
spiny echidna
Tachyglossus
aculeatus
long beaked echidna
Zaglosssus bruijni
Orni thorhynch us ani t inus
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Mammal Taxonomy
Class Mammalia
Subclass Theria Infraclass Metatheria
Order Marsupialia
Koala
PossumKangaroo
Tazmanian Devil
Didelphis vi rg in iana
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Mammal Taxonomy
Class Mammalia
Subclass Theria
Infraclass Eutheria
Order Rodentia
Order Chiroptera
Order Insectavora
Order Carnivora
Order Primates
Order Artiodactyla
Order Lagomorpha
Order Cetacea
Order Perissodactyla Order Sirenia
Order Proboscidea
Order Tubulidentata
Order Xenartha
Order Pholidota
Pangolin
Order HyracoideaHyrax
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Mammalian Integument & Glands
Sebaceous
Sweat
Scent
Mammary
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Mammary Glands
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Fur
Pelage
Underhair
Guard hairs
1 or 2 molts/yr
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Horns
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Antlers
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Mammal Skull
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Formation of a Hard Palate
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Skull Diversification
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Dentition
2 sets
Milk teeth (deciduous)
Permanent teeth
Rodents & lagomorphs
Teeth continuously grow
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Carnivore Digestive Tracts
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Herbivore Digestive Tracts
Mi t L d M l
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Migratory Land Mammals
Mi t S M l
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Migratory Sea Mammals
S
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Sonar
M li R d ti M d
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Mammalian Reproduction Modes
Prototherians (monotremes)
Oviparous Hatchlings mature in pouch and suckle from
mammary gland
Metatherians (marsupials)
Vivparous Very immature young mature in pouch and suckle
from mammary gland
Eutherian (placentals)
Vivaparous
Precocial & altricial young
Suckle young
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Reproductive Cycles
Estrous cycle
Time of ovulation following a peak in estrogenproduction (estrus)
Monestrous 1 ovulation period per year
Polyestrous Multiple ovulation periods per year
Menstrual cycle
Estrus followed by menstruation Shedding of uterine lining
Only in humans, apes, & old world monkeys
M i l R d ti C l
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Marsupial Reproductive Cycles
Gestational & Lactational Differences
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Gestational & Lactational Differences
between Marsupials & Mammals
G t ti P i d
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Gestation Periods
Large mammals (herbivores)
Longer gestations
Precocial newborns
Small insectivores, rodents, carnivores
Shorter gestations
Altricial newborns
Sightless
Hairless
D ti ti
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Domestication
Prosimian Primates
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Prosimian Primates
Hominidae
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Hominidae
Human Taxonomy
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Human Taxonomy
Kingdom Animalia
Phylum Chordata
Subphylum Vertebrata
Class Mammalia
Order Primates
Family HominidaeGenus Homo
Species sapiens
Human Ancesteral Lineages
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Human Ancesteral Lineages