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Biology 186 Final Exam Prep Test with Questions and 100% Correct Verified Solutions
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Biology 186 Final Exam Prep Test with Questions and 100% Correct Verified Solutions
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Biology 186 Final Exam Prep Test withQuestions and 100% Correct Verified
Solutions
Signals from hormones - Answer slow and long lasting
Signals by neurons - Answer fast and brief signal
-also are able to fire impulses rapidly and reset fast
mechanisms of homeostasis - Answer interstitial fluid and homeostasis
Animal coping w/ external environments - Answer regulators + conformers
isoosmotic - Answer body fluids are same as osmotic pressure
freshwater animals - Answer
osmoregulators -lose salt by diffusion and
urine -gain water by osmosis and food
freshwater vs marine - Answer loss by urine vs loss by gills and urine
marine invertebrates - Answer osmoconformers
, water balance and waste - Answer regulated by transport epithelium
between circulatory system
anhydrobiosis - Answer ability to survive in dormant state when organism's habitat dries
osmotic balance on land - Answer dessication - adaptations to water reductions in
habitat
why is evaporation larger in smaller animals? - Answer greater surface area to
volume ratio
(favourable SA)
homeostatic systems - Answer -SENSOR
-INTEGRATOR
-EFFECTOR
control circuits - Answer -negative feedback - internal environment is counteracted
-positive feedback - internal environment is augmented
negative feedback - Answer change > trigger > counteract
positive feedback - Answer change > trigger > amplify change
Heat gain/loss - Answer -conduction
-convection
-radiation
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