Visit Your Local PBS Station PBS Home PBS Home Programs A-Z TV Schedules Watch Video Donate Shop PBS Search PBS
Voyage of the Odyssey Voice from the Sea
What is the Voyage of the Odyssey Track the Voyage Interactive Ocean Class from the Sea Patrick Stewart
> Questions & Answers
- Evolutionary & Ecology
- Oceanography
- Marine Mammals
- Birds
- Human Impacts
> Science from the Field
> Ocean History
> Teacher Resources
site map  

Evolution & Ecology

  • Why are mangroves valuable ecosystems?

  • How are the children of the Galapagos helping to conserve the giant tortoises and their habitat?

  • Why has a large percentage of the original population of giant tortoises disappeared from the Galapagos Islands?

  • How do members of similar species avoid mating with one another?

  • What is convergent evolution?

  • How does Darwin's theory of 'natural selection' explain the evolution of the Galapagos finches?

  • What can you do to help maintain and preserve the valuable ecosystems of the world?

  • What is currently the greatest threat to the world's ecosystems?

  • What is an ecosystem?

  •  
     
    > Home > Voice from the Sea > What is the Voyage? > Track the Voyage > Interactive Ocean > Class from the Sea > Patrick Stewart > Help with Plugins? > Site Map