PCB 3043 Study Guide Exam 1 question and answer grade A+

Chapter 1 1. A genotype is a. an individual’s attributes. b. the effect of natural selection on an individual. c. the differences between the genes of two species. d. an individual’s set of genes. Answer: d 2. Which is the largest ecological system in scale? a. population b. biosphere c. ecosystem d. community Answer: b 3. An ecologist who studies populations would most likely be interested in a. births and deaths of individuals that belong to a particular species in a particular place. b. adaptations that increase the survival of individual organisms. c. the number and relative abundances of different species in a particular place. d. physical and chemical transformations of energy and materials in the soil, atmosphere, and water. Answer: a 4. Which physical principle is used to monitor the transfer of energy in ecological systems? a. dynamic steady states b. the law of conservation of matter c. the first law of thermodynamics d. the connectedness of ecosystems Answer: c 5. Which source of energy is most likely to be used by fungi? a. other living organisms b. the sun c. other dead organisms d. water Answer: c 6. T