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प्रश्न
What is mutualism?
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उत्तर
Mutualism is the relationship between two organisms where both organisms are benefited in terms of food, shelter and substratum for attachment.
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संबंधित प्रश्न
Name the type of association:
Clownfish and sea anemone
Community is defined as ______.
Tabulate and analysis of two species population interaction.
Mycorrhizae are the example of ______.
An interaction favourable to both population but no obligatory to either is ______.
Amensalism is an association between two species where ______.
Give one example for the following type.
Chemical defense agent
Write the observations made at the end of Connell's field, experiment on barnacles on the rocky sea coasts of Scotland.
Match the Column I with Column II.
| Column I | Column II |
| A. Lichen | (i) Commensalism |
| B. Shark and Pilot fish | (ii) Mutualism |
| C. Barnacles on the back of a whale | (iii) Symbiotic obligatory relationship |
| D. Sharks and dolphins | (iv) Competition |
Observe the graph given below.
|
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.
|
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 |
