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Mammal review
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Order of mammals which includes humans.
Primates In carnivores these teeth are larger Incisors canines premolars molars canines
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Process used by bats in which high frequency sound waves are bounced off objects to help in navigation. echolocation Flat sheet-like muscle located beneath the ribcage which helps move air into and out of the lungs. diaphragm
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This portion of the brain which controls
This structure which receives digestive & urinary waste as well as sperm/eggs is MISSING in all mammals (except monotremes) cloaca This portion of the brain which controls higher level thinking and learning is larger in mammals cerebrum
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Most mammals belong to this group
Name 3 characteristics of mammals Endothermic Hair 4 chambered heart Feed milk to young Single lower jawbone Specialized teeth Most mammals belong to this group Monotremes Marsupials Placental mammals Placental
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Reproductive structure that stores sperm in males.
Seminal vesicles Aquatic, carnivorous, flipper limbed mammals including seals, walruses, and sea lions are called pinnipeds
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These structures give mammals their name and
Mammals provide nourishment to their developing embryos growing inside the mother through this structure placenta These structures give mammals their name and provide milk to nurse their young. Mammary glands
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How are the exit openings in the lower body of a rat different from that of a frog, turtle, or bird?
Amphibians, reptiles, and birds have only ONE opening (vent). Digestive, excretory, & reproductive all empty into cloaca and exit through the same opening. Mammals have separate openings. Females have 3 (digestive, excretory, & reproductive) Males have (excretory and reproductive share one opening)
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Thin plates made of keratin which hang from the roof of the mouth in certain whales and strain food from the water. baleen First chamber in the stomach of a cud-chewing mammal like a cow which contains bacteria to digest plants. rumen
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Mammals with hooves such as deer, elk, zebras, and horses.
Ungulates Bean shaped excretory organs which remove urea from the blood kidneys
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Match the tube with its function trachea
Carries air from glottis to lungs _____________ Carries sperm from epididymis to seminal vesicles __________________ Carries eggs from ovary to uterus _____________________________ Carries urine from bladder to outside of body________________ Carries urine from kidney to bladder _____________ Carries sperm from seminal vesicles to outside of the body __________________ trachea Vas deferens Oviducts/fallopian tubes urethra ureters urethra
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Warm-blooded = ____________________
Large sac that branches from the intestine in non-cud chewers such as rabbits, horses, rodents, and elephants which contains microorganisms to digest plants. cecum Warm-blooded = ____________________ endothermic
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the group of mammals called ______________
This animal belongs to the group of mammals called ______________ marsupials Excretory organ that is missing in birds, but seen in mammals. bladder
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Male reproductive structure where Sperm mature and grow tails.
epididymis Female reproductive structure where the embryo grows and is nourished by a placenta uterus
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The only North American marsupial is the ___________________
oppossum Number of chambers in a mammalian heart. four
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Located near the liver this structure stores bile
Gall bladder The organism (rat) pictured belongs to this group of mammals Monotreme marsupial placental It is placental
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Name a characteristic of primates
Whales, dolphins, and porpoises belong to this order of mammals. cetaceans Name a characteristic of primates Larger brain, grasping hands, forward facing eyes
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Cud-chewers have a _______________
Reproductive organ that makes sperm. testes rumen Cud-chewers have a _______________ Cecum rumen cloaca
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Bats use this sense when they navigate with echolocation.
hearing One way you can tell a mammal fossil from a reptile fossil is to look at the ____________ Jawbone (mammals have a single bone in lower jaw) Teeth (mammals have specialized teeth based on diet)
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Mammals are ____________________
Endothermic Ectothermic Endothermic Structure near the liver which produces digestive enzymes used in the small intestine to break down food pancreas
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Air sacs in the lungs called _________________
increase surface area and absorb more oxygen. alveoli Mammals can be divided into 3 groups based on their reproductive strategies. Name the 3 kinds of mammals. Egg layers (monotremes) Carry babies in pouch (marsupials) Nourish baby with placenta (placental)
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placental Humans are ____________________ mammals. Monotreme Marsupial Placental Name one of the digestive parts seen in plant eating mammals that contains microorganisms for digesting food. Cecum OR Rumen
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Digestive organ that absorbs nutrients from food
Small intestine The only flying mammals are __________ bats
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Organ in males that transfers sperm to the female reproductive tract
Animals with a cloaca have a vent; organisms without a cloaca have an __________ anus Organ in males that transfers sperm to the female reproductive tract penis
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Integumentary adaptation in mammals to keep warm
Hair or fur What’s special about a rat’s teeth that’s different from ours? Grow continuously
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Name the 3 parts of the small intestine in order starting near the stomach.
Duodenum, jejunum, ileum appendix In humans the _________________ is what is left of our cecum (vestigial).
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The ___________________ absorbs water And concentrates waste.
Monotremes ________________ are the only mammals with a cloaca Large intestine The ___________________ absorbs water And concentrates waste.
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Like birds and reptiles, mammals have ______________ fertilization.
The _______________ divides the lower portion in a rats’s heart into two ventricles. septum Like birds and reptiles, mammals have ______________ fertilization. Internal external internal
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Reproductive organ that makes eggs
You would expect a mammal that is a plant eater to have lots of teeth like these. incisors canines premolars molars Molars – flat for grinding Reproductive organ that makes eggs ovary
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Type of coelom found in mammals
True coelom (coelomates) deuterostomes Mammals are ________________ protostomes deuterostomes
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Mammals have a _____________ to store urine.
Non-cud chewers like horses, rabbits, rodents, elephants have a __________________ Cecum rumen cloaca cecum Mammals have a _____________ to store urine. bladder
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panceas cerebellum cerebrum epididymis
Match the MAMMAL body part with its function Makes digestive enzymes for the small intestine _____________ Controls muscle coordination _____________ Controls higher thinking and learning _________________ Coiled tubules where sperm mature and grow tails _______________ panceas cerebellum cerebrum epididymis
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This part of the brain controls coordination
cerebellum This part of the brain controls the Internal organs. Medulla oblongata
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bladder uterus Small intestine kidneys Mammary glands
Match the mammal body part with its function Stores urine ______________ Muscular organ where embryo develops _________________ Completes digestion & absorbs nutrients ________________ Removes urea from blood _____________ Produce milk ______________ bladder uterus Small intestine kidneys Mammary glands
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Which of the diagrams shows the kind
of circulatory system found in mammals? 4 chambers 2 loops
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Tell one way Mammals are like birds
Both: are deuterostomes are coelomates in same Kingdom (Animalia), phylum (chordates) subphylum (vertebrates) are endothermic have 4 chamber heart have 2 loop circulatory system internal fertilization separate sexes ….. There are lots more
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RATS belong to the Kingdom __________________ Phylum _________________ Subphylum ________________ Class _____________ Order ______________ Animalia chordata Vertebrata Mammalia Rodentia
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Egg-laying mammals like the platypus are in the group of mammals called _______________ monotremes T or F This animal has a cloaca. True Egg laying mammals do.
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Match the MAMMAL body part with its function
Windpipe ______________ Pouch where microorganisms help digest plant material __________ Stores bile _____________ 1st chamber in the stomach of a cud-chewer ________________ Collects & processes blood removing worn out cells _____________ trachea cecum Gall bladder rumen spleen
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Flap of tissue that prevents food from entering the trachea
epiglottis Like bird feathers and turtle shells, mammalian hair is made of the protein called ______________. keratin
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THE END
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