1. What are jellyfish? What problems are they causing? 2. Why should you be concerned about jellyfish populations taking over large areas of the world’s oceans? Why are jellyfish considered to be...

1. What are jellyfish? What problems are they causing?

2. Why should you be concerned about jellyfish populations taking over large areas of the world’s oceans? Why are jellyfish considered to be indicator species (see p. 83)?