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Name ______________________________ Class ___________________ Date __________________ Ecology TEST 2 Remediation: you must earn at least a 90 on this assessment to raise your grade to an 80. MULTIPLE CHOICE Write the letter of the correct answer in the space provided. _____ 1. Grass that gains energy from the sun is an example of a a. consumer. b. parasite. c. decomposer. d. producer. _____ 2. A diagram with arrows showing energy flow from grass, to a rabbit, to a fox is a. an energy pyramid. b. a food web. c. a food chain. d. a population chart. _____ 3. In a food web, arrows point in just one direction because they show a. which animal is bigger. b. which animals are related. c. how energy goes to the animal that is eating. d. how energy goes to the animal that is eaten. _____ 4. After one species disappears, the other species in the ecosystem a. benefit. b. are thrown out of balance. c. die. d. are unaffected. __ ___5.Limiting factors determine an area’s carrying capacity because a. the number of animals is limited. b. ecosystems are small. c. animals need resources to survive. d. the number of animals is unlimited. _____ 6. Two members of the same species fight over who gets a certain food. Members of different species try to take over a certain nesting area. These are both examples of a. community. b. competition. c. mutualism. d. commensalism. Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Holt Science and Technology 47 Interactions of Living Things Name ______________________________ Class ___________________ Date __________________ _____ 7. In which type of symbiosis is a bee and a flower? a. parasitism b. mutualism c. community d. commensalism Matching Match the correct description with the correct term. Write the letter in the space provided. _____ 8. an animal that eats many foods, including fish and berries _____ 9. a triangular diagram that shows how energy is lost as animals eat other living things _____ 10. symbiosis in which one organism hurts another to benefit itself _____ 11. the depths of the oceans to the heights of the air _____ 12. the level of environmental organization in which biotic and abiotic parts of the environment are all considered together a. mutualism b. ecosystem c. ecology d. biosphere e. omnivore f. energy pyramid g. prey h. parasitism _____ 13. symbiosis in which one organism gives the other food and receives protection _____ 14. the term used to describe a sparrow that has been caught by an eagle _____ 15. the study of how living organisms and nonliving factors in the environment interact Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Holt Science and Technology 48 Interactions of Living Things Name ______________________________ Class ___________________ Date __________________ Use the art below to answer questions 16 through 20. Write the letter of the correct answer in the space provided. 16. What does the bird eat? 17 .How many of the organisms are producers? 18.What type of consumer is the deer? 19. Which organism is an omnivore? 20 . Choose one food chain from the food web above to draw. Then label the trophic levels in that food chain. Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Holt Science and Technology 49 Interactions of Living Things Name ______________________________ Class ___________________ Date __________________ 21. Food, water, shelter, and a space in which to live all describe an organism's A) biome B) population C) habitat D) community 22. An organism that creates its own food is called A) a producer B) a consumer C) a scavenger D) a decompose 23. Herbivores, carnivores and omnivores are A) plants, animals and micro-organisms B) three types of consumers C) three types of producers D) three of British Columbia's 10 ecoprovinces 24. Parasitism, commensalism and mutualism are A) three examples of producers B) the three main types of symbiotic relationships C) the three main types of ecological relationships D) three examples of abiotic interactions 25. Which of the following is a symbiotic relationship where one partner benefits and the other does not benefit or lose from the relationship? A) commensalism B) mutalism C) parasitism D) decomposition 26. Which of the following is a symbiotic relationship where both partners benefit? A) mutualism B) parasitism C) commensalism D) symbolism Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Holt Science and Technology 50 Interactions of Living Things Name ______________________________ Class ___________________ Date __________________ 27. Which of the following is a symbiotic relationship where one partner benefits and the other is harmed? A) commensalism B) mutualism C) symbolism D) parasitism 28. Describe the 10% rule and how it relates to the Ecological Energy Pyramid model of an ecosystem. Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor. Holt Science and Technology 51 Interactions of Living Things