MCQ
At the time of organogenesis, genes regulate the process at different levels and at different time due to.
- APromoter.
- BRegulator.
- CIntron.
- DExon.
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$(1)$ Zooplanktons are primary producers in an aquatic ecosystem.
$(2)$ Decomposition is largely an oxygen requiring process.
$(3)$ In a natural ecosystem, fishes, wolf, etc. are carnivore.
$(4)$ The amount of energy decreases in each successive trophic level.