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6 July, 23:47

Explain why the cane toad was a failure as a biological control method in Australia.

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  1. 7 July, 00:46
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    The cane toad was a failure as a biological control method in Australia because:

    -The greyback beetle it was supposed to be eating fed at the top of the sugarcane stalks (which were 6-8 meters in height). Cane toads cannot fly or climb and therefore couldnt feed on the beetles.

    -The beetles were out during the daytime, and cane toads feed at night.

    -The two species are not seasonally compatible (aren't in the same place at the same time of year).

    -The toads needed moist conditions to survive, and so moved away from where they were supposed to be.

    -The cane toad eats many native species and often out-competes native species for food and breeding sites, leading to the decline of natives.

    -Breeding habits made the cane toads a very invasive species.
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