Pcb 3043 Study guides, Class notes & Summaries
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Ecology_Exam_2 100% verified
- Exam (elaborations) • 57 pages • 2023
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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
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Chapter 18: Community Structure Communities can have distinct or gradual boundaries
- Exam (elaborations) • 57 pages • 2023
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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...