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¿QUÉ ES UN ECOSISTEMA?
Characteristics of biotic beings
Z They complete a life cycle. Z They help us with transportation and give us food.
Z They help us with transportation and give us food. Z He accompanies us and protects us.
Characteristics of abiotic beings
Z Indispensable for all living beings. Z It has three states: solid, liquid and gas.
carry out photosynthesis.
Contains oxygen. Where plants fix their roots.
Vital for life.
1 CIENCIA Y AMBIENTE 1. Grado
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