What determines how many species live in a given place? Or how many individuals of the species can live somewhere? The research that provided answers to these questions was set in motion by the key experiments of ecologists Robert Paine and James Estes. Their research demonstrates just how fundamental keystone species and trophic cascades are in understanding ecology.
#askMIT: Could You Make a Unicorn by Crossing DNA?
#askMIT: Why Don't We Use All of Our Brain Cells?
A Close-Up Look At Spiders And Insects
Activities of Plants (Spanish)
Adaptations To Underwater Nights
Adaptive Function Of Form: The Beauty Of Ugly
Amazing Places, Amazing Fossils: Finding Lucy
Animal Studies: Strategies For Survival 1
Animal Studies: Strategies For Survival 1 (Spanish)