Advertisements
Advertisements
प्रश्न
Describe mutualism.
Advertisements
उत्तर
- This interaction is obligatory and interdependent.
- It benefits both the species.
- Lichens represent an intimate, mutualistic relationship between a fungus and photosynthetic algae, or cyanobacteria.
- The most spectacular and evolutionarily fascinating examples of mutualism are found in plant-animal relationships.
- Plants need the help of animals for pollinating their flowers and dispersing their seeds.
- Animals obviously have to be rewarded in the form of pollen and nectar for pollinators and juicy and nutritious fruits for seed dispersers.
- Co-evolution of mutualists.
APPEARS IN
संबंधित प्रश्न
In Logistic growth curve lag phase shows______.
What is Mortality? What are its two types?
What is population interaction? Explain the interactions in Mutualism and Competition.
Which principle/theory states that 'Two closely related species competing for the same resources cannot co-exist indefinitely and the competitively inferior will be eliminated eventually.'?
Mutualism can be represented as the interaction between ____________.
______ interaction is the biological interaction between organisms of same population.
In a pond, we see plants which are free-floating; rooted–submerged; rooted emergent; rooted with floating leaves; Write the type of plant against the following examples.
| Plant Name | Type | |
| a. | Hydrilla | ______ |
| b. | Typha | ______ |
| c. | Nymphaea | ______ |
| d. | Lemna | ______ |
| e. | Vallisneria | ______ |
Lianas are vascular plants rooted in the ground and maintain erectness of their stem by making use of other trees for support. They do not maintain direct relation with those trees. Discuss the type of association the lianas have with the trees.
While living in and on the host species, the animal parasite has evolved certain adaptations. Describe these adaptations with examples.
"Abingdon tortoise in Galapagos islands became extinct within a decade on introduction of goats in the island." Explain giving reason.
