[Answer] Organisms can have positive or negative impacts on the ecosystem they live in. The cane toad or Rhinella marina was introduced to the Hawaiian Islands in 1932 by sugar cane farmers. Farmers released the toads in their crops to help control pests that were damaging the sugar cane. The cane toad has few natural predators as it secretes a poisonous toxin from its skin that deters larger organisms from eating it. As a result the cane toad population thrived and grew to number hundreds of thousands by 1935.Which role does the cane toad play in the Hawaiian Islands?

Answer: invasive species

Most relevant text from all around the web:

Organisms can have positive or negative impacts on the ecosystem they live in. The cane toad or Rhinella marina was introduced to the Hawaiian Islands in 1932 by sugar cane farmers. Farmers released the toads in their crops to help control pests that were damaging the sugar cane. The cane toad has few natural predators as it secretes a poisonous toxin from its skin that deters larger organisms from eating it. As a result the cane toad population thrived and grew to number hundreds of thousands by 1935.Which role does the cane toad play in the Hawaiian Islands? The cane toad was introduced into Australia to control the population of sugarcane beetles. However upon introduction the toads did not eat the beetle but instead began damaging local ecosystems by preying upon other organisms and poisoning most animals that tried to prey on them. ... they lack natural predators to help control their ... Start studying Ch 10 Agriculture Biotechnology and the Future of Food Ch. 9 Soil and Agriculture CH 8 Human Population Ch. 6 Ethics economics and Sustainable Development Ch 5 #2 Environ Systems & Ecosystem Ecology Ch 5 # 1 ...

Disclaimer: 

Our tool is still learning and trying its best to find the correct answer to your question. Now its your turn, "The more we share The more we have". Comment any other details to improve the description, we will update answer while you visit us next time...Kindly check our comments section, Sometimes our tool may wrong but not our users.

Are We Wrong To Think We're Right? Then Give Right Answer Below As Comment