Unit 6: Wonders of the sea

pollution

resource

oxygen, water and food

disappear

creature

any living thing

sunlight zone

top layer of the ocean where there is a lot of sunlight

twilight zone

The middle layer of the ocean

midnight zone

the bottom layer of the ocean, darkest and deepest

sea sponge

an oil spill

rubbish

trash

overfishing

catching too many fish in an area of the sea

biodegradable

Able to be broken down naturally