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Practice EOCT Ecology Domain

Practice EOCT Ecology Domain. 1. Which occurrence is a major source of the gases that can produce acid rain?. A a hole in the ozone layer B burning of fossil fuels C cloud-seeding by airplanes D emissions by nuclear reactors.

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Practice EOCT Ecology Domain

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  1. Practice EOCT Ecology Domain

  2. 1. Which occurrence is a major source of the gases that can produce acid rain? • A a hole in the ozone layer • B burning of fossil fuels • C cloud-seeding by airplanes • D emissions by nuclear reactors

  3. 2. Which of the following is an abiotic factor in an ecosystem? • A grass • B a fox • C a rock • D a worm

  4. 3. An undisturbed deer population grows until its carrying capacity is reached. Which of the graphs below BEST resembles this deer population?

  5. 4. Which of the following practices is MOST likely to slow the buildup of CO2 in the atmosphere? • A increased use of tropical rain forest areas for agriculture • B increased use of genetically engineered plants • C decreased pesticide use in favor of biological controls • D decreased use of fossil fuels

  6. 5. Predators often feed on weak or sick animals in an ecosystem. The role of the predator is described as its • A community • B habitat • C niche • D population

  7. Answers 1-5 • B • C • B • D • C

  8. 6. Which of these can help farmers counteract the negative effects on their soil? • A contour planting • B insect predators • C large-scale irrigation • D expensive fertilizers

  9. 7. Organisms in an ecosystem are linked together by • A geochemical pathways • B greenhouse effects • C food webs • D water cycles

  10. 8. Lyme disease can be transmitted from ticks by a spirochete called Borrelia burgdorferi, causing a rash followed by flu-like symptoms. Which of the following approaches is MOST effective in the treatment of Lyme disease? • A - herbicides that destroy the grass where ticks live • B - pesticides that destroy the ticks that are infected • C - vaccinations in people that already have the disease • D - antibiotics to destroy the bacteria that cause the disease.

  11. 9. Humans have had a tremendous impact on the environment. What has caused an increase in the amount of acid rain? • A use of chlorofluorocarbons • B use of pesticides • C coal burning power plants • D nuclear power plants

  12. 10. The shaded portion of the map below, which includes the state of Georgia, would BEST be described as belonging to which biome? • A temperate grassland • B temperate deciduous forest • C tropical forest • D chapparal

  13. Answers 6-10 • A • C • D • C • B

  14. 11. Which of the diagrams at right shows an example of secondary succession in an ecosystem?

  15. 12. The major source of the oxygen that is released into the atmosphere is • A cellular respiration • B photosynthesis • C automobile exhaust • D the weathering of rocks

  16. 13. The biome populated by cone-bearing trees such as pine, spruce, and fir is the • A deciduous forest • B coniferous forest • C savanna • D tundra

  17. 14. A biologist investigating the cycling of nutrients and water in a forest under both natural conditions and after vegetation had been removed would MOST likely be a specialist in which of these branches of biology? • A ecology • B botany • C evolution • D genetics

  18. 15. Which of the following is an abiotic factor in a meadow ecosystem? • A trees • B grasses • C flowers • D water

  19. Answers 11-15 • D • B • B • A • A

  20. 16. A group of organisms of a certain species that is in one area at a given time is known as a(n)… • Ecosystem • Community • Population • Trophic level

  21. 17. As energy flows through an ecosystem, at each trophic level it... • Increases • Decreases • Fluctuates • Remains the same

  22. 18. Which of the following abiotic cycles include bacteria and lightning? • Water • Carbon/oxygen • Nitrogen • phosphorus

  23. 19. A species that first occupies an area after a natural disaster is known as a(n)… • Predator • Consumer • Pioneer species • decomposer

  24. 20. Agricultural runoff causes water supply contamination due to the high concentration of… • Sulfur dioxide • Methane • Nitrogen • particulates

  25. Answers 16-20 • C • B • C • C • C

  26. 21. Of the following plant adaptations, which has become most beneficial for plants to adapt to a drier climate? • Loss of cuticle • Vascular tissue • Production of spores • Alternation of generations

  27. 22. During periods of intense heat, many desert animals go into a state of reduced metabolism. This is known as… • Hibernation • Estivation • Migration • habituation

  28. Answers 21-22 • B • A

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