Ecosystems
Meaning
A biological community of interacting organisms and their physical environment.
Pronunciation
UK ˈiːkəʊˌsɪstəmz
US ˈikoʊˌsɪstəmz
Example Sentences
- Snow affects ecosystems, as well, by providing an insulating layer during winter under which plants and animals are able to survive the cold.
- Scientists warn that without cleaner practices, ocean ecosystems could collapse within this century.
- These colorful underwater structures are some of the most important ecosystems on Earth.
- Pollution from farms and cities also washes into the ocean and damages the delicate reef ecosystems.
Learn Ecosystems in Context
Why Coral Reefs Need ProtectionCoral reefs cover less than one percent of the ocean floor, but they support about 25 percent of all marine life. These colorful underwater structures are some of the most important ecosystems on Eart...Read story 
The Journey of Water Around EarthThe ocean covers more than seventy percent of Earth, and it drives one of the most important cycles in nature. Water is always moving - from the sea into the sky and back down to the ground again. Whe...Read story
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Practice Ecosystems
Read, listen, and practise using “Ecosystems” in fun stories and activities.