The ocean zones The ocean is very wide and very tall. The ocean has three zones the sunlight, twilight, and midnight zone. The sunlight zone starts at sea level and ends at 200m, the twilight zone starts at 200m and ends 1000m, last is the midnight zone which starts at 1000m and ends at 4000m. Each zone is very different. The coral reefs area part of the sunlight zone . Coral reefs can only form in …showed first 75 words of 643 total…

…showed last 75 words of 643 total…