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Biology Multiple Choice Questions

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Question;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. What 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 help: (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.

 

Paper#63181 | Written in 18-Jul-2015

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