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Which of the following groups has a three-chambered heart?
a. birds c. mammals
b. reptiles other than birds d. amphibians
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- Which function does the circulatory system share with the heart? Select one: a. Regulates blood pressure b. Directs blood flow to tissues c. Transports hormones to all areas of the body d. Exchanges nutrients and wastes with cellsWhich of the stated relationships is correct? A. the heart is inferior to the clavicle B. the shoulder is distal to the carpals C. the phalanges are proximal to the metacarpals D. the eye is medial to the eyebrowsWhere in the body of the Daphnia is the heart located? a. in the tail b. near midgut c. adjacent to the second antenna d. the posterior portion of the body
- Snakes, turtle, lizards and crocodilesfalls under which category of animals?A. Pisces B. MammalsC. Reptilian D. AvesWhilst fishing, you catch an animal with a long, cylindrical body. You take it back to the lab for dissection and find that it has no vertebral column but a partial cranium. The animal also appears to have no stomach. What do you think this animal will be? A. eel B. sea snake C. hagfish D. catfishWhy was the evolution of the pulmonary veins important for amphibians? a. To move oxygen to and from the lungs b. To increase the metabolic rate c. For increased blood circulation to the brain d. None of the choices are correct.
- Which of the following has a complete digestive system? a. tapeworms c. cnidarians b. sponges d. earthwormsWhat do the vessels that are carrying oxygen-poor blood back to the heart have that stops blood from flowing backwards? A.thick muscular walls B.valves C.hemoglobin D.SA nodesA marine biologist catches a species of fish she has never seen before. Upon examination, she determines that the species has a predominantly cartilaginous skeleton and a swim bladder. If its pectoral fins are not fused with its head, to which category of fish does the specimen belong? a. Rays b. Osteichthyes c. Sharks d. Hagfish
- Which type, or form, of animal could function without a circulatory system? A. a small, thin sedentary aquatic animal B. an active terrestrial animal C. a large, mobile aquatic animal D. a large, slow terrestrial animal E. a large, mobile terrestrial animalThe group of mammals that still lays eggs is referred to as a. Marsupials b. All lay eggs c. Placental Mammals d. MonotremesWhich group has evolved a respiratory system where air flows one way through the lungs? O lung fish A. frogs B. birds C. mammals D. snakes How do capillaries differ in the brain compared to the rest of the body? A. do not pick up CO2 B. have an extra layer of connective tissue C. are not leaky D. do not have valves