Ecology

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...

Part 1: True-false. Mark T for “true” and F for “false.” 1. Intact mangrove forests, sea grass beds, coral reefs, and estuaries provide thousands of dollars’ worth of ecosystem services per hectare each year. 2. If region 1 comprises site A with 10 species and site B with the same 10 species, and region 2 comprises site C with 4 species and site D with 4 different species, then region 1 has greater alpha and beta diversity. 3. An example of secondary succession is regeneration of...