What is the best predictor of an animal\'s hysiology? 8. The following heart dia

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What is the best predictor of an animal's hysiology? 8. The following heart diagram is from what kind of animal? A) environment homeostasis E) phenotype What determines the phenotype of an animal? A) Octopus B) Fish C) Reptile D) Bird E) Amphibian A) Genotype B) Environment Interaction between genotype and the environment 9. It was recently discovered that crocodiles and iguanas use... Which of the following is TRUE of conformity to the environment? A) requires complicated negative feedback systems A) Venus circulation shunt B) Uni-directional ventilation C) A true diaphragm to ventilate D) Cross-current gas exchange B) Energetically cheap C) Allows function independent of outside conditions. D) All are true. 10. In terrestrial insects, where does gas exchange occur? A) spiracles B) air sacs C) gills D) cuticle E) tracheoles F) trachea G) lungs Questions in animal physiology are generally... Ultimate or 'why' questions B) Proximate/immediate or 'how questions Which of these groups does NOT use cutaneous spiration? A) Plethadontid salamanders 11. Which of the following animals moves so much water that being only 10% efficient at 02 extracti is good enough? B) Bullfrog tadpoles C) Hellbender salamanders D) Titicaca frogs E) All do to some degree Frogs fill their lungs using... A) a pressure pump B) a suction pump C) unidirectional flow D) counter-current flow E) diffusion F) cross-current flow A) Tuna B) Gold fish C) Squid D) Pulmonate snails E) Clams F) None of the above 12. Countercurrent blood flow through the gills adaptive in many aquatic organisms because it A) helps rid the blood of CO B) is very efficient at extracting O2 C) conserves O2 D) requires less blood What role do surfactants play in respiration? A) Increase Pso B) Decrease Pso C) Keep the alveoli from collapsing D) Assist subunit cooperativity E) Facilitate diffusion of oxygen

Explanation / Answer

Answers .

C.interaction between genotype and the environment.

6.pressure pump.( positive pressure).

E.all do to some degree.

7.e.facilitate diffusion of 02.prevent alveoli from collapsing.

9.b.unidirectional ventilation.

10.trachioles.

11.c.squid.

12.b.is very efficient in extracting 02

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