1. Some 40,000,000 years from now the volcanic Erebor Archipelago will form west

Question

1. Some 40,000,000 years from now the volcanic Erebor Archipelago will form west of the Australian subcontinent (the nearest major landmass). After reading Section 20.4 in your text, contemplate the following geographical data, and answer the questions below: Island North Gollum South Gollum Mordor Rivendel Distance from Australia 3502 3523 789 1828 A. Based on the Equilibrium Theory of Island Biogeography (MacArthur and Wilson), predict the following and explain your choice (6 points): Island(s) with highest colonization rates: Island(s) with lowest colonization rates: Island(s) with highest extinction rates: Island(s) with lowest extinction rates: Island(s) with highest equilibrium species richness: Island(s) with lowest equilibrium species richness: B. This model does not always predict the number of species on an island. Examples of one factor influencing the number of species on an island that is not incorporated in this model include finches in the Galápagos I Islands. What factor is this? (2 points) slands and honeycreeper s and Drosophila in the Hawaiian

Explanation / Answer

Varied geographical circumstances like distance from the mainland and size matter for colonization

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