There is a complete separation of pulmonary and systemic circulation in amphibians and most reptiles. Amphibians only respire through their lungs. Amphibians and most reptiles have a four-chambered heart consisting of two atria and one ventricle. Diving reptiles can alter the pattern of blood circulation to bypass their lungs when submerged.1. True2. False
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Biology, 21.06.2019 20:00
Which group is noted for the independence of gametophyte and sporophyte generations from each other? a) ferns b) mosses, hornworts, and liverworts c) charophytes d) angiosperms e) gymnosperms
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Biology, 22.06.2019 01:00
Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand
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Biology, 22.06.2019 09:00
Apuppy’s tendency to chew is inherited through which of the following? a. through learned behavior b.through genes c. through seasonal cycles d. through hibernation
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There is a complete separation of pulmonary and systemic circulation in amphibians and most reptiles...
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