Threats to Biodiversity

What are baleen whales?
Answered by Planet Green
  • Planet Green

    Planet Green

  1. Baleen Whale 1
    Inside the mouth of a baleen whale. (Brandon Cole/Visuals Unlimited/Getty Images)

    Inside the mouth of a baleen whale.

    Brandon Cole/Visuals Unlimited/Getty Images

    More answers from Planet Green »

Still Curious?
  • What is the status of current pollution-control efforts?

    Answered by Chris Jordan and Discovery Channel

  • What are the biggest threats to our oceans?

    Answered by Julie Packard, Sylvia Earle and 2 others

  • How many great white sharks are left in the world?

    Answered by John O'Sullivan


What are you curious about?

Image Gallery