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20 Cards in this Set
- Front
- Back
vertebrates |
-backbone animals -fish/amphibians/ replies/ birds |
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The two chief mammalian characteristics |
-skin covered in hair or fur -milk producing glands in female to nurse young |
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Monotremata |
Most primitive mammals -native to Australia -platypus and spiny anteater (They lay eggs but the babies receive nourishment from mothers mammary glands) |
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Marsupialia |
Gives birth to live young (viviparous) but they are born in a very early age and continue to develop their maturation in a pouch -kangaroo/ opossum |
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Eutheria |
Placental mammals are in this subclass -all mammals belong in -cats and man -embryos are retained in the uterus and are nourished by placenta |
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Homosapians |
-man -belongs to primates (apes and monkeys) |
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Felis domestica |
-cat -belongs to carnivora (lions, tiger, dog wolf, cat) -cats gestation period is 9 weeks and two to five young per litter |
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Body is divided into 4 areas |
-head (cranial) -neck (cervical) -trunk (thoracic and abdominal) -tail (caudal) |
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Appendages Forelimb |
-brachium -antebrachial -wrist, palm, digits (manus) |
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Appendages Hind limb |
-thigh -shank (crus) -ankle, sole, digits (pes) |
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External nares |
Nostrils |
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Pinnae |
Large flexible flaps of tissue of the external ear |
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Nictitating membrane |
Third eyelid in the medial corner of the eye |
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Vibrissae |
Long sensory hairs or tactile snickers around the mouth |
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Papillae of the mammary glands/ teats |
-2 rows -5 pairs in a cat -central surface of the trunk |
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Axilla |
Between thorax and arms |
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Perineum |
Area around the urogenital and anal openings |
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Urogenital |
Ventral to anus Females |