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| Order Dasyuromorphia; Family Myrmecobiidae; Genus Myocecobius; Species M. fasciatus |
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| found in tetrapods. located under the eye socket |
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| dentary and angular bones. old bones became smaller, serve different purposes: tympanic bulla |
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| only located on exposed skin (no hair) |
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| animal with more than one type of tooth ex canines, molars |
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| have a cloaca and lay eggs. platypus, long beaked echidna, short beaked echidna. not heterodonts! |
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| NE Not Evaluated; DD Data Deficient; LC Least Concern; NT Near Threatened; VU Vulnerable; EN endangered; CR Critically endangered; EW Extinct in the Wild; E Extinct |
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| pre molars and molars open rooted. never stop growing, move toward front of mouth. 1-2 mm a week. examples: rodents, horse, cow, deer |
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| newborns that cannot fend for themselves at birth |
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| newborns that are able to function at or very soon after birth (ex horses) |
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| "horse" feed and "cow" feed |
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| even toes: horse feed (hindgut fermenters) odd toes: cow feed (foregut) exception: pig has 4 toes |
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| all have mammary glands (may or may not have teats), sebaceous/sweat glands, hair (including whiskers - whale), endotherms, 7 cervical vertebrae |
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| net energy of maintenance |
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| amt energy required to maintain life in a fasted animal in the thermoneutral zone |
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| more surface area compared to volume: more heat loss. larger animals are more energy efficient. small animals have higher BMR |
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| relative to animal. "higher quality" diet usually means more digestible and higher energy. |
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| closer to equator = smaller animal |
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| differences between genders besides sexual organs. ectotherms have very little, endotherms have more. the more similar, the more the male has involvement in offspring |
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| selection based on reproduction. mating often result in death, but produces many offspring. Advantage: fast evolution |
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| high BMR, eat more, high quality diet, small, early weaning, early sex maturity, short gestation, large litter, altricial young, die young. |
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| eat less, lower quality diet, larger, late maturity, long weaning and gestation, small litters, precocial young (usually) |
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| one benefits, other unaffected |
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| compete for same resources |
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| one is harmed, other is benefitted |
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| one kills and eats the other |
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| Domestication: relationship |
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Definition
| could argue for different relationships such as parasite, mutualism etc |
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| when humans control the breeding and genetics intentionally |
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| qualities of most domesticated animals |
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| social interactions, communal, hierarchy |
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| retention of juvenile traits in an adult animal ex dogs: bark, floppy ears, mouth licking |
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| sylvestrus: several subspecies |
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| not related to domestic cat. different dental pattern, chromosomes |
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| goddess of fertility and childbirth, related to cats. cats were associated more with feminine |
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| goddess of fertility associated with cats, cattle |
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| why cats were domesticated not long before 1876 |
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| first cat show: purposeful breeding |
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| complete and balanced food |
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Definition
| all dietary essentials present in proper ratios |
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| NAD+ + H2O + alpha amino acid = NaOH + NH4+ + alpha keto acid |
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| alpha amino acid1 + alpha keto acid2 = alpha KA1 + alphaAA2 |
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| Arginine, Methionine, Taurine |
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| mostly converted to felinine |
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| can't be converted to bile acids |
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| the layer behind the retina that allows night vision |
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| 1.2:1 (altricial young). <1:1 causes kidney stones |
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| cats need pure vitamin a, beta carotene requires an enzyme to digest that cats don't have |
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