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प्रश्न
Define mutualism.
Define the following term:
Mutualism
उत्तर १
The type of interaction in which both the species are benefitted is called as mutualism.
उत्तर २
Mutualism refers to an interaction between two different species in which both benefit. (The term symbiosis is frequently used interchangeably with mutualism.)
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संबंधित प्रश्न
During .............. typs of interaction, both organisms are benefited
- mutualism
- competition
- commensalism
- parasitism
What is mutualism?
What is the ecological principle behind the biological control method of managing with pest insects?
Select the statement which explains best parasitism.
Select the statement which explains the best parasitism.
What is the ecological process behind the biological control method of managing pest insects?
With the help of a suitable diagram describe the logistic population growth curve.
Using '-' to depict inhibition and '+' to depict benefit, mutualism between two species can be represented as ____________.
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.'?
Identify the morphological means of defence to avoid herbivores shown by plants.
Which of the following is TRUE for amensalism?
Identify the type of negative interaction.
Substantiate by giving two reasons as to why a holistic understanding of the flora and fauna the cropland is required before introducing an appropriate biocontrol method.
Which one of the following is one of the characteristics of a biological community?
What is the interaction between two species called?
Give one example for the following type.
Phytophagous animal
Fill in the blanks
| Species A | Species B | Type of Interaction | Example |
| + | - | ______ | ______ |
| + | + | ______ | ______ |
| + | 0 | Commensalism | ______ |
Discuss the various types of positive interactions between species.
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 |
Explain one type of mutualism.
