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แบบฝึกหัดหน่วยที่ 10
คําชี้แจง จงตอบคําถามต่อไปนี้ให้ถูกต้อง
1. ระบบนิเวศหมายถึงอะไร
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2. ปัจจัยทางชีวภาพ (Biological Factor) คือ
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3. ผู้บริโภค (Consumer) หมายถึง
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4. ผู้ย่อยสลาย (Decomposer) คือ
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5. อาหาร (Food Chain) หมายถึง
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