5. According to the diagram, which community requires the least amount of sampling effort necessary to determine its species richness? a. tropical soil bacteria b. tropical moths c. tropical birds d. temperate forests e. human oral bacteria 6. Which of the following is the best example of a mutualistic interaction that is both economically-and ecologically-important? a. mycorrhizae and forest trees b. mushrooms and legumes c. stickleback fish and plankton d. Plasmodium (which causes malaria) and humans e. pistol shrimp and goby fish
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Which type(s) of species interaction(s) involve one organism gaining and one organism losing? a. competition b. predation c. mutualism d. commensalism e. herbivory f. parasitism QUESTION 2 Which of the following terms do ecologists use to describe the community interaction where one organism makes the environment more suitable for another organism? a. parasitism b. inhibition c. facilitation d. tolerance QUESTION 3 Which of the following are responsible for generating successional pathways? I. species interactions II. historical and environmental context III. species traits a. I only b. II only c. III only d. II and III only e. I, II, and III QUESTION 4 In a tide pool, 15 species of invertebrates were reduced to 8 after one species was removed. The species removed was likely a(n) _____. a. pathogen b. keystone species c. herbivore d. resource partitioner e. mutualistic organism
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23) Which is the definition of a community A) The different populations that occupy the same Habit or Ecosystem B) The same species that occupy a habit C) The same species that occupy a niche 24) Trophic structure refers too........ A) The different levels of the food web from primary producer to quaternary carnivore B) The different species composition at each trophic level when two ecosystems are compared C) Neither of these 25) In aquatic ecosystems, primary productivity takes place in the A) Benthos B) Pelagic Zone C) Photic Zone 26) Most of the Earth's Ecosystems are powered by__________ A) Human influence B) The Sun C) The Wind
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57- A community includes all populations of different species in the same region. A= True B= False 58- The amount of blood pumped out of each ventricle in one minute is called a- stroke volume b- cardiac output c- cardiac reserve d- end diastolic volume 59- Who proposed mechanism of evolution in 1858 and provided evidence that present-day species had evolved from earlier ones and changed over times a- Lamarck, b- Lyell, c- Darwin d- Wallace. e- both c and d 60- Extremely cold, dry, and windy. Phytoplankton are primary producers are characteristics of; a- Polar ice biome, b- tundra, c- Taiga, d- temperate rain forest 61- Very cold and dry. Small plants. Ground remains frozen year-round, and animals have thick fur, are characteristics of. a- Polar ice biome, b- tundra, c- Taiga, d- temperate rain forest
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