Homeostasis 0.0 / 5 ? BiologyRegulation and Organisation in AnimalsUniversityNone Created by: BekCreated on: 28-04-14 10:37 Who devised the term Homeostasis? Walter Cannon 1 of 16 What is negative feedback? physiological response in the opposite direction to the detected change 2 of 16 What is anticipation? Predict change before it occurs to turn off a response before overshoot 3 of 16 What is acclimatisation? Adaptation that alters negative feedback gradually 4 of 16 What is positive feedback? Mechanism to create a rapid change from a set point in the same direction of change 5 of 16 What is enantiostasis? Maintaining homeostasis by changing a physiological variable to compensate for change in another 6 of 16 How does the Blue Crab compensate for low salt? increases internal ammonia levels 7 of 16 What are conformers? internal state matches external environment 8 of 16 What are regulators? maintaining constant internal state 9 of 16 What are avoiders? maintaining internal state by avoiding external change 10 of 16 Put these in the correct order? Cell, Tissue, Organ, Organ System, Organism 11 of 16 What does extracellular fluid contain? O2, Nutrients, H2O, Wastes, By-Products 12 of 16 What is intrinsic regulation? Fast, local response from one tissue type or organ 13 of 16 What is extrinsic regulation? Slow response through the whole body via interactions between organ systems 14 of 16 What is the difference between control systems and maintenance systems? Control systems regulate indirectly, maintenance systems regulate directly 15 of 16 What is the advantage of homeostasis? Allows some animals to exploit wider ranges of environment 16 of 16
Comments
No comments have yet been made