Although many zoogeographers no longer consider the Wallace Line to be a regional boundary, it does represent an abrupt limit of distribution for many major animal groups. Many fish, bird, and mammal groups are abundantly represented on one side of the Wallace Line but poorly or not at all on the other side .
What is the reason of having different species on each side of the Wallace Line?
However, once continental drift and plate tectonics started to pull these lands apart, the large amount of water that separated them drove evolution in different directions for the species , making them unique to either continent after a long period of time had passed.
What does Wallace’s line represent?
The Wallace and Weber lines are imaginary dividers used to mark the difference between species found in Australia and Papua New Guinea and Southeast Asia . This is especially apparent when considering the difference in mammals between the two regions.
What is Wallace Line in biogeography?
The Wallace Line or Wallace’s Line is a faunal boundary line drawn in 1859 by the British naturalist Alfred Russel Wallace and named by English biologist Thomas Henry Huxley that separates the biogeographical realms of Asia and Wallacea, a transitional zone between Asia and Australia.
Where Worlds Collide the Wallace Line?
In Where Worlds Collide, van Oosterzee follows Wallace’s journeys through the islands of South East Asia . She draws on Wallace’s natural history travelogue, The Malay Archipelago, a book he wrote after spending the years from 1854 to 1862 in Malaysia, Indonesia, and New Guinea.
Where does the Wallace Line run?
The line extends from the Indian Ocean through the Lombok Strait (between the islands of Bali and Lombok), northward through the Makassar Strait (between Borneo and Celebes), and eastward, south of Mindanao, into the Philippine Sea.
Which country in Asia has the most species of mammals?
Indonesia has the most mammal species of any country and is narrowly edged out by Australia when it comes to fish species, according to FishBase.
Are Australia’s rocks older than New Zealand?
Australia’s rocks are much older than those of New Zealand . Australia’s highest mountains are the Great Dividing Range, while New Zealand has a spine of much higher mountains. New Zealand has a moderate, moist climate, whereas Australia’s climates vary from tropical to Mediterranean to desert.
What is the Wallace line for kids?
From Academic Kids
The Wallace Line is a hypothetical line which separates the zoogeographical regions of Asia and Australasia . It is named after Alfred Russel Wallace who noticed the apparent boundary during his travels through the East Indies in the 19th Century.
What type of fauna would you expect to find South and East of Wallace’s line?
Wallace’s Line is a boundary that seems to divide Indonesia and the surrounding islands into two distinct types of fauna: Asian-type species (such as monkeys and other placental mammals) on islands to the west of the line, and Australian-type species (such as kangaroos and other marsupial mammals ) on islands to the ...
What is the significance of the Wallace Line quizlet?
Significance of Wallace line? – It divides two geographic regions that Wallace realized had quite different biota . -a deep-sea trench has kept Asia and Australia separated. -Climate is defined as the prevailing long-term weather conditions in a particular region.
On which basis Wallace boundary are formed?
What is Wallace boundary on which basis these are formed? It was on the basis of such data that Wallace came to the con- clusion that Lombok and Makassar Straits form the boundary between the Oriental and the Australian Regions .
How wide is the Wallace Line?
The strait is here fifteen miles wide, so that we may pass in two hours from one great division of the earth to another, differing as essentially in their animal life as Europe does from America.
Is Philippines part of Wallacea?
Wallacea is defined as the series of islands stretching between the two continental shelves of Sunda and Sahul, but excluding the Philippines .
What is Weber line?
Definition of Weber’s line
: a hypothetical boundary lying approximately along the Australo-Papuan Shelf and being sometimes preferred to Wallace’s line as the common boundary of the Oriental and Australian biogeographic regions.
What animal is only found in Asia?
The Saola . Found in Laos and Vietnam, the Saola, or also known as ‘Asian Unicorn’, is closely related to cattles and is one of the rarest animals in the world.
Which country has the most snakes?
Brazil is the country with the largest number of species of snakes in the world.
Which country has highest no of animals?
| Country / region Mammals Threatened mammal species (2018) | Indonesia 670 191 | Brazil 648 80 | China 551 73 | Mexico 523 96 |
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Are Maori the same as Aboriginal?
Maori vs Aboriginal
The indigenous tribes of people living in Australia are referred to as aboriginal , their Trans Tasman counterparts, the indigenous or native population of New Zealand is labeled as Maori.
Was New Zealand ever connected to Australia?
Eighty million years ago, the landmass that was to become New Zealand, broke away from Gondwana, splitting away from Australia and Antarctica as the Tasman Sea opened up .
