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प्रश्न
Give one example of commensalism.
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उत्तर
The pilot fish (Naucrates) always accompanies sharks without becoming attached to their bodies. When a shark eats its prey, it feeds on falling food particles.
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संबंधित प्रश्न
During .............. typs of interaction, both organisms are benefited
- mutualism
- competition
- commensalism
- parasitism
Why do clown fish and sea anemone pair up? What is this relationship called?
State Gause’s competitive exclusion principle.
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?
How is mutualism different from commensalism?
Association between sea anemone and Hermit crab in gastropod shell is that of.
Select the statement which explains the best parasitism.
Define the following term:
Camouflage
Define Absolute Mortality.
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 |
The correct description for the interspecific interaction shown in the given figure is ______
Type of interspecific interaction wherein one organism is benefited and other is harmed is called ____________.
In the given picture, identify the type of interspecific interaction.
Lichens showing relationship between alga and fungus is an example of ____________ type of interaction.
With the decline in the population of fig species it was noticed that the population of wasp species also started to decline. What is the relationship between the two and what could be the possible reason for decline of wasps?
______ 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.
An interaction favourable to both population but no obligatory to either is ______.
Which of the following is a partial root parasite?
What is the interaction between two species called?
Discuss the various types of positive interactions between species.
A Tight one-to-one relationship between many species of fig tree and certain wasps is an example of ______.
Interaction between clown fish living among the stinging tentacles of sea anemone 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.
|
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:
- Name the hosts in which the asexual phase and sexual phase of the life cycle takes place.
- Identify the infective stage labelled ‘D’.
- Name the structure labelled ‘A’ and ‘E’.
- Give any one symptom of malaria.
What happens to an inferior competitor if a superior competitor is present in the same environment?
Give one example of camouflage.
Parasitism is an interaction between two organisms in which ______.
