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Science_Lab_Yellow / Lesson 10: Competition for Food

Competition for Food
What will we be learning today?


  • In this lesson, we are going to learn all about how do populations adapt to competition for food.


How Do Populations Adapt to Competition for Food?

  • Food webs show that animals compete for food. Fish and gulls must compete for a dinner of prawns, for example. In order to survive, an organism must adapt to competition. Sometimes this competition causes a population to change its habitat. This is what happened to Florida's green anole.



  • At one time green anoles could be spotted all over Florida, perched on the trunks of trees and the branches of bushes. Then a new and bigger species of anole arrived in Florida from the island of Cuba. Scientists don't know how it made the 144 km (90 mi) trip. Its size and, perhaps, other characteristics gave it a hunting edge over the small green anole, however



  • Soon the smaller green anole seemed to disappear. Was it really gone? No. Scientists found the little green anole high in the trees. It had found a new habitat where it did not have to compete with the Cuban anole for food.


  • Let's Review What We Learned Today!


    • Now complete your worksheet!!