Prior to the formation of a land bridge about 3 MYA that allowed placental mammals to invade, marsupials were diverse and abundant on what other continent besides Australia?Multiple choice question.AsiaEuropeAfricaSouth America

Studies have shown that the formation of ______ explains the migration of animals between North America and South America and the possible cause of the extinction of most marsupial mammals on the South American continent.Multiple choice question.a land bridgea deep-water trencha meteor crateran inland sea

According to the teacher, where do most marsupials presently live?a.Africab.North Americac.Australiad.South America

What is the main reason many of Australia’s unique species are currently in danger of extinction?the introduction of non-native speciesthe proliferation of marsupial species like the kangaroooverhunting by human populationsrising sea levels flooding coastal habitats

Select all the examples of marsupials.Multiple select question.kangaroosechidnaduck-billed platypusopossums

Before Australia became part of the British empire, the aborigines thereMultiple choice question.were always foragers and never produced their own food.allowed their herds of domesticated sheep to overgraze the land, greatly enlarging Australia's central desert.domesticated kangaroos and wallabies as a source of food.cultivated extensive croplands along the coastal regions.