1. Which of the following is part of the abiotic environment of an organism? (Points: 5) Grass Rain Food decomposers 2. Decomposers: (Points: 5) are unimportant links in a food

1. Which of the following is part of the abiotic environment of an organism? (Points: 5) Grass Rain Food decomposers 2. Decomposers: (Points: 5) are unimportant links in a food web. recycle organic to inorganic compounds. cause disease and destruction. require a source of light energy. 3. Most of the processes that influence the hydrologic cycle are: (Points: 5) biological processes. physical processes. ecosystem processes. wind processes. 4. In the carbon cycle, the two primary processes that remove and add carbon dioxide to the atmosphere are: (Points: 5) predation and parasitism. carnivores and herbivores. sunlight and photosynthesis. respiration and photosynthesis. 5. __________ convert nitrogen gas to nitrogen that plants can use. (Points: 5) Decomposers Nitrogen-fixing bacteria Nitrifying bacteria Denitrifying bacteria 6. an animal uses for food is part of its: (Points: 5) habitat. niche. competition. None of these answers is correct. 7. Species A and species B both benefit by living together. This is an example of: (Points: 5) competition. commensalism. mutualism. succession. 8. The biome with the fewest seasonal changes is the: (Points: 5) temperate deciduous forest. grassland. tropical rain forest. boreal coniferous forest. 9. If a forest fire destroys a region of the forest, then a: (Points: 5) secondary succession will occur. primary succession will occur. climax community is present in the burned area. None of these answers is correct. 10. If an animal cannot digest a chemical but is able to pass out all of that chemical as waste material, there is: (Points: 5) biomagnification. succession. no parasitism. no biomagnification. 11. Gene flow is: (Points: 5) used for comparison purposes when numbers of organisms or size of organisms would lead to confusion. the optimum number of individuals of a species that can survive. the movement of genes within a population from place to place resulting from migration. the graphic expression of increasing or decreasing numbers. 12. A population does not change in size during the __________ phase. (Points: 5) death exponential stable equilibrium None of these answers is correct. 13. When a limiting factor becomes more important as the size of the population increases, it is known as: (Points: 5) a biotic potential. a density-independent factor. a density-dependent factor. an intrinsic factor. 14. The carrying capacity of an area for a plant is most likely maintained by: (Points: 5) the accumulation of waste products. the availability of raw material and energy. a constant birthrate. a low biotic potential. 15. The carrying capacity of an area can be reduced if there is too much: (Points: 5) energy. raw material. waste. All of these answers are true. 16. Instinct differs from learned behavior in that instinctive behavior: (Points: 5) does not change; learned behavior does. is acquired; learned behavior is genetic. is adaptive; learned behavior is not. All of these answers are true. 17. Insight learning will : (Points: 5) a wolf learn imprinting. protect an insect from being eaten by a bird. teach a bird how to fly. a student select the correct answers on an exam. 18. Territorial behavior always involves: (Points: 5) communication between members of the same species. huge investments in time and energy. courtship behavior. All of these answers are true. 19. __________ is a method of ranking individuals from highest to lowest. (Points: 5) Imprinting Territorial behavior analysis A dominance hierarchy Ethology 20. Behavior in which an individual animal gives up an advantage or puts itself in danger to aids others is called: (Points: 5) habituation. altruistic behavior. observational learning. dedication.