PG-E11

Click Clock ￭ Enhancement General Studies-Topical Primary 6-Topic 12 Copyright © by Click Clock Limited All rights reserved Page 2 B. Biological Interdependence 1. Balance of Nutrients : Nutrients move through the ____________. Animal _________, dead animals and plants are broken down into ___________ for plant growth. Animals absorb the nutrients in plants when they __________ the plants. 2. Balance of Gases : Both plants and animals breathe. During ____________, animals breathe in _______ and breathe out __________________. Plants go through _________________ to take in _________ ________ and give off __________. So the levels of carbon dioxide and oxygen in the air can stay in ____________. 3. Take a look at the seaweed and marine animals in the sea. How the nutrients and gases stay in balance? Describe the cycles below : Balance of Nutrients ： _______________________________________________________ _______________________________________________________ _______________________________________________________ Balance of Gases ： _______________________________________________________ _______________________________________________________ _______________________________________________________ Click Clock Sample