EC CS Demo Course 2015
The Oceans Garden: Coral Reefs (DC)Coral reefs are diverse underwater ecosystems held together by calcium carbonate structures secreted by corals. Coral reefs are built by colonies of tiny animals found in marine waters that contain few nutrients. Most coral reefs are built from stony corals, which in turn consist of polyps that cluster in groups.
Subject: Marine Science - Audience: Students - Educational level: Tertiary
Language: English - License: Creative Commons - Time updated: Sunday, 9 July 2017, 4:45 AM
Activities : Page (5) - Lesson (3) - Label (2) - hsuforum (1) - Glossary (1) - Forum (1) - Quiz (1) - Choice (1) - Chat (1) - Assignment (1)
This is a demonstration course for Eiffel Corp (Pty) Ltd