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प्रश्न
Community is defined as ______.
विकल्प
Group of similar Angiosperms.
interacting populations.
interacting ecosystem
group of mangroves.
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उत्तर
Community is defined as interacting populations.
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संबंधित प्रश्न
Give one example of interspecific competition.
Two species competing for the same resources, avoid competition by choosing different times for feeding, also known as ______
Lichens showing relationship between alga and fungus is an example of ____________ type of interaction.
______ 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.
What is mycorrhiza?
Define ectoparasite and endoparasite and give suitable examples.
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.
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| 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.
Lichen is an example of which type of population interaction?
What is the sign convention for competition between two species?
