And what is it that motivates people to persevere in a common cause or mission? Values, of course, especially when they are understood, shared by, and reflected in their leaders. This article examines the role of leadership in culture change, the kinds of change needed to promote reform in our health care system. Culture.
Cane toads (Bufo marinus) originally came from Mexico, Central America, and South America. They ranged from the Rio Grande to the Amazon basin. They have been introduced to many islands in the Caribbean and Pacific, to Florida, Japan, and Papua New Guinea.
Biological controlâitâs not evolution. The cane toad was introduced to Australia in the hope that it would control two species of beetle (Frenchâs cane beetle and the greyback cane beetle) which were decimating sugar cane crops.(The beetlesâ larvae were eating the roots and stunting, if not killing, the plants.) As it turned out, the plan was unsuccessful.he cane toadâs rapid spread is not a unique phenomenon. Rabbits were unknown in Australia before European settlers brought them, yet soon colonized a massive area, extending from their release sites in south-east Australia all the way to the coast of Western Australia.