Sophia - Environmental Science - Unit 2 Challenge 2

1 — Ecology Identify emergent properties at different levels of the organism organization. Which of the following is an emergent property at the ecosystem level of organization? • a.) The relative abundance of species • b.) The differences between organisms within a species • c.) The types of ecosystems • d.) The interactions between communities 2 — Population Ecology: Exponential vs. Logistic Growth Models Differentiate between exponential and logistic population growth models. Which of the following characteristics is representative of the exponential population growth model? • a.) This growth model notes the population size that an ecosystem can sustainably support. • b.) This growth model produces an S-shaped line. • c.) This growth model takes into account limited resources. • d.) This growth model may not always be realistic. 3 — Population Ecology: Carrying Capacity Determine the carrying capacity of a species from a given graph. On the graph shown here, the carrying capacity for black bears is less than ___________. The first time the black bear population reached carrying capacity was in the year __________. • a.) 20; 1990 • b.) 5; 1995 • c.) 10; 1985