The species of the Calápagos Islands (a) are similar to...

Name: Problem 9, Chapter 18: Biology
Uploaded: 2021-07-24T22:43:57-08:00
Duration: 2 min 45 s
Channel: Nimi Das
Description: The species of the Calápagos Islands (a) are similar to those on other islands at the same latitude (b) are similar to those on the South American mainland (c) are identical to those on other islands at the same latitude (d) are identical to those on the South American mainland (e) are similar to those on both the African and South American mainlands

The species of the Calápagos Islands (a) are similar to those on other islands at the same latitude (b) are similar to those on the South American mainland (c) are identical to those on other islands at the same latitude (d) are identical to those on the South American mainland (e) are similar to those on both the African and South American mainlands

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Key Concepts

Island Biogeography

This concept examines how island environments influence the distribution and evolution of species. It considers factors such as isolation, limited space, and resource availability, which affect how species colonize islands and diverge from their mainland relatives over time.

Species Dispersal

Species dispersal refers to the movement of organisms from one region to another, which is crucial in understanding how similar species can appear on islands and nearby continents. It explains how species migrate or are transported to new areas, leading to colonization events that form the basis for subsequent evolution.

Speciation and Adaptive Radiation

Speciation is the process by which new species arise, often due to geographic isolation, while adaptive radiation describes the rapid diversification of organisms when new ecological niches become available. In island contexts, such as with the species on the Calápagos, these processes result in organisms that, though having common origins with mainland species, develop unique adaptations over time.

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