science chapter 34 Word Scramble
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Question | Answer |
what are 9 characteristics of a mammal | -Hair -Teeth -Limbs -Lung -Diaphragm -Heart -Warm blooded -Viviparous -Mammary glands |
mammals teeth | in both jaws |
mammals limbs | 2 pairs of limbs |
mammals heart | 4 chambered |
mammals Mammary gland | feed there young |
filament made of dead cells filled with the protein carrion each hair is anchored in and produced by a bulb shaped structure which is the follicle which lies beneath the surface of the skin | hair |
what are the 5 functions of hair | -Insulation -Camouflage -Conspicuous signal -Sensory -Defensive |
keeps us warm | Insulation |
animals are hiding with there colors | camouflage |
telling people to stay way from me | conspicuous signal |
ex) whiskers on a cat | sensory |
ex) porky pines | defensive |
insulation | underhair |
thick cores outer hair which gives color | Guard hair |
provides nutrient to support the new born growth | mammary glands |
relatively long period of time receive milk and food protection and shelter | parental care |
what are 4 types of teeth | -Incisors -Canines -Premolars -Molars |
front teeth for biting and cutting and they are flat and thin | incisors |
behind your incisors for stabbing and holding and they are round and pointed | canines |
grind crush and cut and they are thick and squared | Premolars |
grind crush and cut and they are thick and squared | molars |
keep their teeth for life | adult mammals |
you keep the body temperature high and content by producing large amounts of heat through metabolism | endothermic |
quite efficient | Respiratory and Circulatory systems |
sheet of muscle at the bottom of the rib cage and the contraction of the diaphragm helps draw air into the longs for a more efficient respiration | Diaphragm |
what are 3 groups of mammals | -Monotremes -Placental mammals -Marsupials |
Oviparous: they layer shelled eggs in which the yolk nourishes the embryo after hatching they feed on the mothers milk Ex: duckbilled platypus | monotremes |
Viviparous: Placenta: which nutrients to the offspring which the waste goes back to mom Gestation: time between fertilization and birth | Placental mammals |
Viviparous Very short gestation the new born are incompletely developed they craw into the pouch attaches to a nipple and then continues its growth Ex: opossums, kangaroo, koala | Marsupials |
they layer shelled eggs in which the yolk nourishes the embryo after hatching they feed on the mothers milk | Oviparous |
which nutrients to the offspring which the waste goes back to mom | placenta |
time between fertilization and birth | gestation |
the rumen | stomach |
what is the process of the rumen | section of the multi rumen stomach bacteria are found here and they produce enzymes which produce cellulose |
what is cud | They thronging up cud which is parochially digestive food and chew it a 2 time swallow it again so enzymes get mixed in a 2 time call chewing its cud |
cows respiration | Each has a pair of oblong spongy lungs Diaphragm Larynx |
what does a cows diaphragm do | separates the lungs from the abdominal organs |
what is a cows larynx | as the air passes down the throught it goes through the larynx which is the voice box |
is much larger than it body | mammalian brain |
ex: duckbilled platypus | Monotremes |
ex: pouched mammals | marsupials |
what order are meat eating mammals in | order Carnivora |
ex) whales | Aquatic mammals |
long snout easily trained | dolphin |
short snout easily trained and among the most intelligent | porpoise |
what order are gnawing mammals in | Order Rodentia |
Largest mammalian order | Order Rodentia |
what would happen if gnawing mammals did not gnaw | there teeth would be so long they could not open there mouth |
what order are erect mammals in | Order Primates |
what are 8 characteristics of erect mammals | -Freely moving arms and legs -Opposable thumbs and large toes -Finger and toe nails -Forward facing eyes -Poor sense of smell -Time in trees -Less specialized teeth -Mostly vegetarian |
largest ape | gorilla |
proportionate body, most intelligent animal | chimpanzee |
Toes with enlarged, hardened hooves | hooved mammals |
what are 2 orders based on hooved types | -Odd-toed hoofed -even-toed hoofed |
had 1 long hoofed toe or 3 enlarged hoofed toe ex) horses, donkeys | odd-toes hoofed |
2 or 4 functional hoofed toes ex) cow, deer, camels | even-toed hoofed |
Even-toed hoofed mammels | bovine |
Includes most beneficial, domesticated animals | bovine |
Ex) Cows, goats, sheep | bovine |
Created by:
Lauren Bowers
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