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प्रश्न
An orchid plant is growing on the branch of a mango tree. How do you describe this interaction between the orchid and the mango tree?
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उत्तर
Orchids are epiphytes that inhabit mangos. In this example of commensalism, the mango tree is virtually neither aided nor injured, while the orchid obtains support and access to light and air. In addition to using specialised aerial roots called velamen to absorb moisture from the atmosphere, epiphytic orchids produce their own sustenance through photosynthesis.
संबंधित प्रश्न
Explain mutualism with the help of any two examples.
Define the following term:
Commensalism
Name and explain the interaction that is seen between clownfish and sea anemones.
Define the following term:
Camouflage
Define population.
With the help of a suitable diagram, describe the logistic population growth curve.
What is population ecology?
What is Mortality? What are its two types?
The interaction in nature, where one gets to benefit on the expense of other is _________.
Match the following and choose the correct combination from the options given below.
| Column I | Column II |
| Mutualism | Lion and deer |
| Commensalism | Round worm and man |
| Parasitism | Birds compete with squirrels for nuts |
| Competition | Sea anemone on hermit crab |
| Predation | Barnacles attached to Whales |
Using '-' to depict inhibition and '+' to depict benefit, mutualism between two species can be represented as ____________.
Mutualism can be represented as the interaction between ____________.
______ is the adaptation of an organism i which it matches its colour with its surroundings to get protected from predators.
Identify the interspecific interaction depicted in the following figure.
Parasitism can be conectly represented as ____________.
Identify the type of negative interaction.
Which one of the following is NOT an example of mutualism?
______ in birds is an interesting example of parasitism in which the parasitic bird lays its eggs in the nest of its host and the host incubates them.
Which of the following is not an example of commensalism?
Lichens are association of ______.
Define stenohaline species.
What is the interaction between two species called?
Give one example for the following type.
Camouflaged animal
Give one example for the following type.
Phytophagous animal
Discuss the various types of positive interactions between species.
In an aquarium two herbivorous species of fish are living together and feeding on phytoplanktons. As per the Gause’s Principle, one of the species is to be eliminated in due course of time, but both are surviving well in the aquarium. Give possible reasons.
Write the observations made at the end of Connell's field, experiment on barnacles on the rocky sea coasts of Scotland.
The interaction between cattle egret and the buffalo is ______.
Carnivorous animals-lions and leopards, occupy the same niche but lions predate mostly larger animals and leopards take smaller ones. This mechanism of competition is referred to as ______.
Many copepods live on the body surface of marine fish. This relationship is an example of ______.
Observe the graph given below.
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The graph represents inter-specific interaction between two species of Paramecia competing for the same resource in a culture medium. Paramecium caudatum and Paramecium aurelia were grown in separate cultures as well as in mixed cultures. It was found that each species grew in numbers according to the logistic equation.
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a) Which species is competitively superior? Support it with the data provided in the graph.
b) State the underlying principle for the above result and name the scientist associated with this principle.
c) Explain the mechanism in which two or more species competing with each other can co-exist.
OR
Graphs A and B shown below depict interaction of two species. Which graph indicates Mutualism? Give reason.
 |
 |
| A | B |
Give one example of commensalism.
Statement I: Gause’s competitive exclusion principle states that two closely related species competing for different resources cannot exist indefinitely.
Statement II: According to Gause’s principle, during competition, the inferior will be eliminated. This may be true if resources are limiting.
In the light of the above statements, choose the correct answer from the options given below:
When two plant species in the same field compete for sunlight, water, and minerals, which type of population interaction is occurring?
What is the sign convention for the predation interaction?
Tiger feeding on deer is an example of which population interaction?
In parasitism, which organism derives nourishment from the other?
