The lecturer points out thatgetting rid of the cane toad will neither be successful nor do good to the wholeenvironment. However, the reading passage gives some advantages that stop thespread of the cane toad in Australia.
Firstly, what the readingasserts is that the fence would prevent the spread of the toad. Unfortunately,the professor in the lecture says that because the young toad and toad eggs areusually in the river or the stream, it is unlikely to stop the spreading by thefence. Moreover, since the flowing river, it is quite easy to bring the toad toanother side. Thus, the toad would survive even the fence built.
Secondly, according to the lecture,the professor says even though the volunteers would like to pick up the youngtoad and the toad eggs, they could not tell the difference between the eggs offrogs and that of toads. Plus, the distinguish job will be much more difficultwhen the both of them are so young. In fact, the collective effort suggested inthe reading will not contribute to the expect consequence. Thirdly, contrary to theidea in the reading that new virus developed by the researchers will help solvethe problem, the lecturer refutes that in the south America, where is the regionalplace of toads, virus will lead to a limited number of toads, which do harm tothe whole environment. Plus, on the grounds that the reptile and amphibianusually bring to other places by the researchers, they could be brought to thesouth America. As a result, the regional place of toads will face abig problem. |