PCB 3043

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 particul...

Ecology Exam 2 Chapter 7 1. Different forms of a particular gene are known as a. chromosomes. b. alleles. c. polygenic. d. pleiotropic. Answer: b 2. A trait that is determined by multiple genes is referred to as a. polygenic. b. pleiotropic. c. homozygous. d. heterozygous. Answer: a 3.Chickens with the dominant allele at the frizzle gene produce curly feathers, have very high body temperature, and lay few eggs. This is an example of a. polygenic traits. b. pleiotrop

Chapter 18: Community Structure Communities can have distinct or gradual boundaries. 1. Which concept suggests that a community is much more than the sum of its individual parts? a. holistic concept b. individualistic concept c. concept of independence d. ecotone concept Answer: a 2. Which concept suggests that a community is a collection of species whose adaptations and requirements enable them to live together under the physical and biological conditions of a particular place? a. ho...

Chapter 12: Population Growth and Regulation Under ideal conditions, populations can grow rapidly. 1. In what way is the geometric growth model different from the exponential growth model? a. The geometric growth model uses continuous time. b. The geometric growth model uses regular time intervals. c. The geometric growth model includes carrying capacity (K). d. The exponential growth model includes carrying capacity (K). Answer: b Use this figure for questions 2 and 3. 2. Which plot i...

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 particul...

Ecology Exam 2 Chapter 7 1. Different forms of a particular gene are known as a. chromosomes. b. alleles. c. polygenic. d. pleiotropic. Answer: b 2. A trait that is determined by multiple genes is referred to as a. polygenic. b. pleiotropic. c. homozygous. d. heterozygous. Answer: a 3.Chickens with the dominant allele at the frizzle gene produce curly feathers, have very high body temperature, and lay few eggs. This is an example of a. polygenic traits. b. pleiotropy. c. epista...

Chapter 18: Community StructureCommunities can have distinct or gradual boundaries

Chapter 12: Population Growth and RegulationUnder ideal conditions, populations can grow rapidly. Study Guide Exam 3