Prey&Predator - 3z MA
Plant, Deer and Wolf Population Dynamics
food chain ...
Amazon Food Chain 3z MA
Cats of Borneo - 3z MA
In the early 1950s, there was a serious outbreak of malaria amongst the Dayak people in Borneo. The World Health Organization (WHO) decided to help and massively sprayed the area with DDT. The mosquitoes died in large numbers and the Dayak were happy - for a while.