A-LevelBiologyBiodiversity and conservationMay/June 2024Paper 4 Q98 Marks
The Asian common toad, Duttaphrynus melanostictus, arrived accidentally in eastern Madagascar in 2010 on a ship. [Figure 9.1] shows an Asian common toad. The Asian common toad is now regarded as an invasive alien species because: • it breeds fast in the warm, wet conditions of eastern Madagascar • it can travel up to 2.5km per year • its skin contains poison, which is highly toxic to humans and predators.
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