短文开头提到,蔗蟾(cane toads)是引入澳大利亚的最不同寻常的动物,1935年种植甘蔗的农民引进蔗蟾是为了去除危害甘蔗的蔗虫(to getrid of the beetle which kills the sugar cane plant),故答案为[B]。1、文中提到,在30年代中期,蔗虫泛滥(there was a serious outbreak of the cane beetle),这让农夫们很绝望...
2019年1月8日，2018年度国家科学技术奖励大会隆重召开。（ ）自力更生研制了我国首部全天时、全天候、超视距、海空兼容的海防预警装备，创建了我国新体制超视距探测理论体系，实现了国家海防预警科技的重大原始创新。
Child T, Phillips BL, Brown GP, Shine R (2008) The spatial ecology of cane toads (Bufo marinus) in tropical Australia: why do meta- morph toads stay near the water? Austral Ecol 33:630-640Child, T., Phillips, B.L. & Shine, R. (2009) Does desiccation risk drive the distri- ...
Australians introduced cane toads in the 1930s to control cane grubs, a pest that plagues sugarcane fields. It didn’t work, but the toad thrived. An earlier generation of writers would have seen this as a cautionary tale: an example of all that happens when humans imagine they have suffic...
Like many invasive species, cane toads (Rhinella marina) in Australia concentrate in the disturbed habitats created by human activity, rather than in pristine areas. We surveyed cane toads in the wet–dry tropics of the Northern Territory to assess the abundances, body sizes, sexes, behaviour, ...
In order to save their crops, they introduced Cane Toads, a common predator of the offending beetle. 80 cane toads were brought to Northern Australia in 1935. However, because the cane toads reproduce exponentially, they quickly became an invasive species. When the total cane toad population in...
D.To strengthen the food chain.查看答案更多“Why did the sugar cane farmers bring cane toads to Australia?A.To enrich the variety of sp”相关的问题 第1题 Which of the following is true according to the passage?A.Americans shake their hands when Which of the following is true according ...
Like many invasive species, cane toads (Rhinella marina) in Australia concentrate in the disturbed habitats created by human activity, rather than in pristine areas. We surveyed cane toads in the wet-dry tropics of the Northern Territory to assess the abundances, body sizes, sexes, behaviour, hy...
I've watched videos from Australia on how to safely eat cane toads, but I haven't tried it yet. For now I put them in my freezer and bury them later. My son catches tilapia in the canal near our house and I encourage him to offer them to the many fish-eating birds we have here...
Many of Davis’s colleagues argue the opposite: that it’s dangerous to assume non-native species are innocent until proven guilty. Numerous examples from history back them up: In 1935, farmers carried two suitcases of South Americancane toadsto Australia, hoping they would ...