6ebbba77_Marine_habitats__principles__Living_in_the_sea
[Factor] Currents [Living on the land] Do not apply. Air is light and although some creatures can fly, they must eventually rest. The air is not filled with food, like the sea. [Living in the sea] 
The water makes creatures float. It fills the water with food. Currents push this food past filter-feeding organisms that sit on rocks. Currents are very important for distributing food and nutrients and for transporting mud from the coast. Eggs and larvae are transported easily and far.
Marine habitats, principles
Living in the sea