Answer:
Ecological imbalance and loss of diversity.
Step-by-step explanation:
- Australia has about 2 to 3 lakh species and of which 250 mammal species are native, 550 species of aquatic birds and 680 species of reptiles, 190 species of frog, and 2000 species of freshwater fish.
- Australia has a very fragile ecosystem as climate change and global warming create impacts on the agriculture, sea-level rise, and desertification of lands. Australian biota is unique and diverse many of the fish found near the costs are endemic to lands.
- Till date, about 20 species of birds and 70 species of flowering plants have become extinct and 2000 have been red-listed due to the presence of the wildfires and habitat loss