1. Along the coast of Vancouver Island in British Columbia, Canada consists of intertidal zones containing three different species of mussels. Mussel one is tan with a spiral shaped shell and mussel two is grey with a smooth shell. Both of these mussels have inhabited the intertidal zone for hundreds of years. Between 1990 and 1995 a third mussel was introduced due to ship activity along the coast of the island. To be understand the mussel population scientists collected population data from 1985 to 2005. Population Size Mussel 2 Year Mussel 1 Mussel 3 1985 4800 3925 1990 5850 4050 1995 5500 4200 150 2000 1600 4050 2100 2005 1400 4225 5280 (a) Calculate the rate of population growth for each of the three species between 1995 - 2005. (b) Construct an appropriately labeled graph to illustrate the populations of the three mussels from 1985 to 2005. (c) Explain the impact that the introduction of mussel three between 1990 and 1995 had on the other mussel populations in the community. (d) Describe TWO ways the impact of humans accelerates change in an ecosystem.
1. Along the coast of Vancouver Island in British Columbia, Canada consists of intertidal zones containing three different species of mussels. Mussel one is tan with a spiral shaped shell and mussel two is grey with a smooth shell. Both of these mussels have inhabited the intertidal zone for hundreds of years. Between 1990 and 1995 a third mussel was introduced due to ship activity along the coast of the island. To be understand the mussel population scientists collected population data from 1985 to 2005. Population Size Mussel 2 Year Mussel 1 Mussel 3 1985 4800 3925 1990 5850 4050 1995 5500 4200 150 2000 1600 4050 2100 2005 1400 4225 5280 (a) Calculate the rate of population growth for each of the three species between 1995 - 2005. (b) Construct an appropriately labeled graph to illustrate the populations of the three mussels from 1985 to 2005. (c) Explain the impact that the introduction of mussel three between 1990 and 1995 had on the other mussel populations in the community. (d) Describe TWO ways the impact of humans accelerates change in an ecosystem.
Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN:9781337408332
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Chapter44: Population Ecology
Section: Chapter Questions
Problem 1DAA: Iguana Decline In 1987, Martin Wikelski began a long-term study of marine iguanas in the Galpagos...
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