Past Ecosystems (HSC SSCE Biology): Flashcards
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When Australia separated from Antarctica
When Australia separated from Antarctica
Approximately 30 million years ago
Sclerophyll plants
Sclerophyll plants
Plants with hard, leathery leaves for dry conditions
Three mammal groups in Australia
Three mammal groups in Australia
Monotremes, marsupials, placental mammals
Monotremes
Monotremes
Egg-laying mammals (e.g., platypus, echidna)
Marsupials
Marsupials
Pouched mammals with underdeveloped young (e.g., kangaroos)
Convergent evolution
Convergent evolution
Unrelated species evolve similar traits in similar environments
Riversleigh fossil site age range
Riversleigh fossil site age range
25 million to 40,000 years ago
Naracoorte fossil site age range
Naracoorte fossil site age range
300,000 to 15,000 years ago
When dingos introduced to Australia
When dingos introduced to Australia
4,000 years ago by Aboriginal traders/arrivals
Extinct species
Extinct species
Species that no longer exists anywhere on Earth