4. Homework-Answer this question and email it to    biovcc@Gmail.com

HW 4

1. What factors account for the vast majority of atolls in the Indian and Pacific oceans and that atolls are rare in the Atlantic ocean and

 b. Why are there no coral reefs off the Northeastern coast of Brazil even though it lies in the tropics?

2. Some of the organic material manufactured in the estuarine communities is exported to other ecosystems. What type of ecosystems receive this material? How is this material transported?