1. By: Nicole Pitchford

2.  Uppermost layer of all the worlds oceans. (appx. 50- 660 ft deep)  Called “sunlit zone”  Temperature ranges from 104-27 degrees Fahrenheit. Location

3. Food Chain Diatoms Shrimp Ocean Fish Tuna Marlin

4.  This is an aquatic biome.  Saltwater  The plants in this zone create 90% of the Earths oxygen.  Largest amount of sea life lives here (90%), but it is the smallest size in volume.  Sea life from coral reefs to Orka sharks thrive in this ocean level. Type of Habitat

5.  Fishing grounds/food  Recreation- surfing, scuba diving, fishing etc. Human Use

6.  Fishing nets that are drug across the sea floor, dynamiting coral reefs, over fishing popular species, and poising harm the biome.  Pollution from humans like fertilizers and household chemicals harm multiple parts of the aquatic biome.  Trash and oil from boats pollute water and animals in the ocean. Threats

7.  There are no real ‘subbiomes’ within the Euphotic layer, however, there are many different ecosystems including:  Rocky/sandy ocean floor  Coral Reefs  Kelp Forests Subbiomes