Primary succession starts on bare rock with no soil.
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Pioneer species (like lichens) colonize first.
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Soil gradually forms, allowing grasses, shrubs, and finally trees.
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The process leads to a stable forest community (climax).
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
- Reduced lifespan
- Increased predation
- Elimination of communication
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Store oxygen
- Reduce body temperature
- Maintain unidirectional airflow and enhance gas exchange efficiency
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Secondary succession
- Primary succession
- Climax reversal
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Partial ventricular septation decreasing mixing
- Completely separated ventricles
- Presence of three atria
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Blood and water flow in the same direction
- It prevents CO₂ diffusion
- Blood meets water with decreasing oxygen concentrations
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Pentaradial symmetry
- Coelomic partitioning
- Deuterostome embryonic development
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Perform intracellular digestion
- Maintain structural support and deter predators
- Control water flow
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Presence of keratinized layers reducing water loss
- Higher chitin concentration
- Greater density of gland cells
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Protonephridium
- Metanephridium
- Malpighian tubule
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- AV node
- SA node
- Bundle of His
- None of these