ENWC 201 Exam 1 WITH CORRECT ANSWERS

ENWC 201 Exam 1 What is wildlife? - Answer- Free-living, wild animals (excluding feral or exotic species) of major significance to humans; includes associated plants and lower animals (micro-organisms) What is the difference between active and passive management? - Answer- Active management= does something to the population (such as increasing or decreasing its size) in a direct manner through strategies like translocations or hunting Passive management= no active management occurs, but they are still managed because the decision to do nothing is a management decision What are the four different goals of wildlife management? - Answer- 1. Increase population numbers (endangered species) 2. Reduce the population (population too high) 3. Manage the population for a sustained yield (Hunting animals) 4. Do nothing (monitor) What is basal metabolic rate? - Answer- The energy used when animals are lying, calm, fasted, and not thermally stressed; measured for numerous wildlife species in captivity What is the importance of protein? - Answer- Protein is important to wildlife because it is a major constituent of the animal body; enables movement of muscle fibers and biochemical reactions with enzymes Why is water important to wildlife? - Answer- It is the most essential nutrient for all wildlife and drives the ecological life histories of many desert species What is body condition? Why is it important? - Answer- It is a general term for an animal's level of energy reserves and results from the integration of nutrient requirements and food intake Why do small and young animals require more energy per unit mass than older, or larger animals? - Answer- Because they have higher metabolic rates What three sources do animals obtain water from? - Answer- Free water in the environment, preformed water in food, and metabolic water produced during oxidation of organic compounds containing hydrogen What are the routes of water loss in animals? - Answer- Feces, urine, cutaneous evaporation, and pulmonary evaporation How do desert species minimize water loss? - Answer- Animals can minimize water loss by reducing water content of feces and urine volume, and by increasing urine concentration What is adaptive heterothermy? - Answer- It can minimize water loss from evaporative cooling