20. ACTIVITIES Teaching suggestions 1. • With books closed, ask: What is one of the most important relationships between living things? (Food.) • With books open, play . Students follow the text in their books. • In pairs, students write short notes about each category: Producers: make their own food. Mainly plants and algae. • Conduct feedback with the class. Then ask: Which category do humans belong to? (Secondary consumers.) Why? Daniela Andrea Ayala Molinari
21. 3.- Parasitism, mutualism and competition These are three other ways in which living things relate to each other . Daniela Andrea Ayala Molinari
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26. TOPIC C.- ENVIROMENTAL PROBLEMS POLLUTION DEFORESTATION ILLEGAL HUNTING OR FISHING GLOBAL WARMING Daniela Andrea Ayala Molinari