Samacheer Kalvi 3rd Science Books English Medium Our Environment
Science : Term 3 Unit 1 : Our Environment Unit 1 Our Environment Learning Objectives At the end of the lesson the students will be able to * differentiate biotic and abiotic factors * understand the interaction between biotic and abiotic factors * understand balanced ecosystem * understand the importance of planting trees I. Environment – Introduction (Yazhini […]
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