Marine Ecosystems Worksheet #11 G10-2

Name: Grade and Section: Which marine ecosystem where the river meets the sea? Estuary Coral Reef Hydrothermal Vent Intertidal Zones Which Marine Ecosystem is very colorful and requires warm, stable climates year-round? Estuaries Coral Reef Hydrothermal Vent Intertidal Zone Organisms in intertidal zone develop specialized adaptations to deal with the daily changes in the following EXCEPT _. Salinity Pressure Temperature Wave Action Fill the blank spaces with the correct words At the surface, light is the dominant factor in the epipelagic zone. The essential ecological feature of the photic zone is that the animals live in the same environment with the primary food source, the phytoplankton.In the bathyal zone the drop in the number of species and the quantity of animals is pronounced because in this zone at 200 metres and down the light is not so much.The lower limit is the abyssal zone where the light is not present and all the organisms are adapted to the high pressure and lower temperature. A tidal bulge is a place where the ocean level stretches and gets higher as a result. In diagrams, it is often represented as a blue circle around the Earth. Label "High Tide" and "Low Tide" on the Tidal Bulge diagram below. Write "High Tide" and "Low Tide" exactly how it's written within the quotations. That means without the quotations. Low Tide High Tide High Tide Low Tide