Advertisements
Advertisements
प्रश्न
Type of interaction where an individual sacrifices its own welfare (life) for the benefit of another animal of its own species is ______.
पर्याय
Altruism
Scavenging
Protocooperation
Commensalism
Advertisements
उत्तर
Type of interaction where an individual sacrifices its own welfare (life) for the benefit of another animal of its own species is altruism.
Explanation:
Altruism is a form of interaction where an individual sacrifices its own welfare, even its life, to benefit another animal of its own species. This behavior is often innate and seen in social animals to protect or benefit their group. Examples include scout rodents alerting the pack to danger or certain deer sacrificing themselves to save others from predators.
APPEARS IN
संबंधित प्रश्न
Lever mechanism of pollination is observed in
- Salvia
- Jasmine
- Bougainvillea
- Butea
The transfer of pollen grains from the anther to the stigma of the same or of another flower of the same kind is known as ______.
Select and write the most appropriate answer from the given alternatives for the following subquestion:
A versatile anther is an adaptation for _______ type of pollination.
State four features of flowers pollinated by insects.
Put a tick mark (✓) against the correct alternative in the following statements
Vegetative propagation is not observed in:
Pollination occurs in ______.
Chief pollinators of agricultural crops are ______.
Triple fusion in Capsella bursa pastoris is fusion of male gamete with ______.
Consider the following statements depicting adaptation of flowers to carryout successful pollination.
- Stigma is long, sticky and unwettable.
- Sepals, petals or perianth (if present) have waxy coating.
- Stamens with long filament and versatile anthers.
- Tubular corolla is seen.
- Flowers are noctumal.
Which of the above statements clearly depict hydrophily?
When and why does a plant breeder employ the emasculation technique?
