Question
Give diagrammatic representation to show RNA world.
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| Hypohydrophily | Epihydrophily |
| 1. Porogamy | ————– |
| 2. ————– | Entry of pollen tube in Ovule piercing integuments |
| 3. ————— | Entry of pollen tube in Ovule through Chalaza |

| Trophic levels | Type of organisms | Status | Example |
| …………….…. | …………………….. | Secondary consumer | …………………….. |
| ……………..… | Herbivore, Heterotrophs | …………………….. | ……………………. |
| ……………..… | Autotrophs | ……………………. | Phytoplankton, grass, trees |
| Pattern of population growth | Name of the countries |
| (1) Rapid growth | ————– |
| (2) Slow growth | ————— |
| (3) Zero growth | ————– |
| (4) Negative growth | ————– |

| Waves on ECG | Heart Activity | Caused due to |
| P wave | Atrial contraction | —————- |
| QRS wave | —————– | Ventricular depolarization |
| T wave | —————– | Ventricular repolarization |
| Column A | Column B |
| (1) Pleiotropy | —————– |
| (2) Polygenes | —————– |
| (3) Autosomal dominance | —————– |