Biology · Ecology
'इकोलॉजी' (पारिस्थितिकी) शब्द का प्रतिपादन किसने किया था?
- 1रॉबर्ट ब्राउन
- 2हरगोविंद खुराना
- 3कार्ल रीटर
- 4अर्न्स्ट हेकेल✓
सही उत्तर देखें
अर्न्स्ट हेकेल
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