02/10/2020
■Class discussion: What is an invasive species? What can they do to local environments and native species? Hippos kill 500 about people a year in their native Africa – twice as many as lions. Should Colombia’s hippos be killed to protect the local environment? Why or why not? The hippos are the largest wild animals to roam the Americas since arrival of another invasive species killed off all the mammoths, giant sloths and other large American mammals about 12,000 years ago. What was that species which is also the world’s top predator?