Environment & Ecology · Environmental Ecology
पारिस्थितिकी (Ecology) शब्द का सर्वप्रथम प्रयोग किसने किया?
- 1ह्यूगो डी व्रीज
- 2चार्ल्स डार्विन
- 3ए. जी. टांसले
- 4अर्नेस्ट हैकल✓
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अर्नेस्ट हैकल
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