0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
How do you use geographic isolation in a sentence?
The geographic isolation of the island led to the development of unique species found nowhere else in the world.
How did isolation affect culture in Oceania?
Aborigines speak a language unrelated to any outside Australia. Languages in Tasmania are unrelated to those off the island. Aboriginal cultures have no influences outside Australia.
What is a continent and an island?
Some say Australia is a continent and an island, but by geographic convention, Australia is a continent, and Greenland is an island. Also, Antarctica is a continent, and not regarded as an island (again, by geographic convention).
What continent is Norfolk Island?
Norfolk Island is not part of any geographic continent. It is, however, an external territory of Australia.
What is the world's only island continent?
Australia is considered the world's only island continent. It is surrounded by the Indian and Pacific Oceans and is unique in its size and isolation from other continents.
True or false Greenland and Australia are the world's biggest islands?
True. Greenland is the world's largest island, followed by Australia, which is also considered an island due to its size and geographic characteristics.
What are two examples of species that evolved due to geographic isolation?
One example is the Galápagos finches, which evolved into different species on different islands due to geographic isolation. Another example is the lemurs of Madagascar, which evolved separately from other primates after being isolated on the island for millions of years.
What type of isolating mechanism was important in the formation of Galapagos finch species?
Geographic isolation played a crucial role in the formation of Galapagos finch species. The finches dispersed to different islands of the Galapagos archipelago, leading to separate populations that evolved independently due to unique environmental conditions on each island. This isolation allowed for genetic divergence and the development of distinct finch species over time.
How is the different finch species in the Galapagos an example of geographic isolation?
The different finch species in the Galapagos have evolved through geographic isolation on different islands. Each island has its own unique environment and food sources, leading to variations in beak shape and size among the finches to adapt to their specific diets. This is an example of how geographic isolation can drive speciation and the development of unique traits in isolated populations.
What is a characteristic shared by nearly all nations of Oceania?
They have a sea-based culture and a history of geographic and cultural isolation.Quick guess: Most of them do not border other nations.or a sea based culture It's basically a history of geographic and cultural isolation. Sort of like not bordering other nations.The status of all being island nations.sparse populations
Is allopatric speciation more likely to occur on an island close to a mainland?
Yes, allopatric speciation is more likely to occur on an island close to a mainland because geographic isolation plays a key role in driving speciation. Isolation on an island can lead to reproductive barriers and genetic divergence, promoting the process of allopatric speciation. With limited gene flow from the mainland, unique evolutionary trajectories can lead to the formation of new species on the island.
What is a non example of geographical isolation?
The great lakes is an example of a geographic barrier, isolating populations from each other. Populations can become separated (isolated) from one another, as one group expands northward of the lakes and another expands southward of the lakes. Mountain ranges are geographic barriers that isolate populations from one another, in much the same way as the great lakes. Oceans geographically isolate land masses, and their respective populations, from one another. This includes islands as well as continents. Examples: the Galapagos Islands, Madagascar, and Australia. *Geographic isolation is the chief mechanism of allopatric speciation, considered by some to be a theory.
