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Questions
Define mutualism.
Define the following term:
Mutualism
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Solution 1
The type of interaction in which both species are benefitted is called mutualism.
Solution 2
Mutualism refers to an interaction between two different species in which both benefit.
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| Plant Name | Type | |
| a. | Hydrilla | ______ |
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?
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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.
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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 |
The diagram given below shows the life cycle of a malarial parasite. Study it carefully and answer the questions that follows:
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- Identify the infective stage labelled ‘D’.
- Name the structure labelled ‘A’ and ‘E’.
- Give any one symptom of malaria.
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Statement II - Calotropis produces highly poisonous cardiac glycosides.
In light of above statements, select the most appropriate answer from the option given below.
