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Transcript
Ecology Tournament Questions 1. When individuals of a population reproduce at a constant rate, it is called _____________ ____________. 2. A series of predictable changes that occur in a community over time is called ____________ _____________. 3. This type of succession can begin after a volcano erupts. 4. Several different species can live in the same habitat if they each have different ___________. 5. When an organism captures & feeds on another organism, it is called _____________. 6. What is a “niche”? 7. When resources in a population become less available, the population reaches its _____________ ______________. 8. Both species benefit in what type of symbiotic relationship? 9. Why are fossil fuels considered nonrenewable resources? 10. When a population grows larger than the carrying capacity of the environment, what rises? 11. True or False… The greenhouse effect is a natural phenomenon that maintains Earth’s temperature range. 12. Disease is a density ____________ limiting factor. 13. Sulfur & nitrogen in smog combines with water to form ______ ________. 14. True or False… You can limit deforestation by planting & harvesting of trees on tree farms. 15. Nonliving factors are called __________. 16. True or false…Habitat destruction is one of the greatest threats to biological diversity. 17. A group of organisms of one type that live in the same area would be called a(n) ________________. 18. Movement of organisms into a given area from another area is called _________. 19. Organisms that rely on other organisms for energy & food are called ____________. 20. List 3 factors that play a role in population growth rate. 21. Each step in the transfer of matter in a food web is called a(n) ______ __________. 22. The combined portions on earth where all living things exist is called the ___________. 23. List all the levels of organization of living things. 24. If a population is growing, what happens to the birth & death rates? 25. Name 3 nutrients recycled in the biosphere. 26. What is the source of all energy on earth? 27. What is at the beginning of all food chains? 28. What happens to most of the energy as you go up a food pyramid? 29. The branch of biology dealing with interactions among organisms & between organisms & their environment is called __________. 30. All of the interconnected feeding relationships in an ecosystem is called a ______________ __________________. 31. When bacteria convert nitrogen gas (N2) from the air into ammonia which is the form that we can use, it is called ___________ ________________. 32. List some key terms regarding what is happening in the carbon cycle. (at least 2) 33. In the water cycle, water evaporates, then _____________ occurs, then precipitation. 34. Ozone depletion is caused by what type of chemicals? 35. What type of consumer feeds only on plants? 36. Organisms that feed on other consumers are called ______________, 37. An organism that has to obtain energy by eating another organism is called a(n) _________________, 38. An organism that feeds on animal remains & other dead matter is a ________________. 39. An organism that obtains nutrients by breaking down dead & decaying plants & animals is a _____________________. 40. Green plants are also called _________. 41. Water that flows over land (part of the water cycle) is called ____________. Answers: 1. exponential growth 2. ecological succession 3. primary succession 4. niches 5. predation 6. the way an organism uses the range of physical & biological conditions in which it lives (it’s role) 7. carrying capacity 8. mutualism 9. they require hundreds of millions of years to form 10. the death rate 11. true 12. dependent 13. acid rain 14. true 15. abiotic factors 16. true 17. population 18. immigration 19. heterotrophs (consumers) 20. births, deaths, immigration & emigration 21. trophic level 22. biosphere 23. Biosphere, biome, ecosystem, community, population, organism, groups of cells (organ system, organs, tissues), cells, molecules 24. birth rate is higher than the death rate 25. carbon, nitrogen & water (also phosphorus) 26. the sun 27. producers (most of the time they are green plants, but some are chemotrophs) 28. it is used by organisms for life processes so it isn’t passed on to the next level 29. Ecology 30. food web 31. nitrogen fixation 32. respiration, photosynthesis & decomposition 33. condensation 34. chlorofluorocarbons 35. herbivore 36. carnivore 37. consumer (heterotroph) 38. detritivore 39. decomposer 40. producers 41. runoff