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प्रश्न
Define community.
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उत्तर १
A community is an assemblage of populations of different species living in the same area and interacting with one another.
उत्तर २
A community is an association of a number of different interrelated populations belonging to different species in a common environment. A community is characterised by species diversity, coexistence and interdependence.
संबंधित प्रश्न
During .............. typs of interaction, both organisms are benefited
- mutualism
- competition
- commensalism
- parasitism
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?
What is the ecological principle behind the biological control method of managing with pest insects?
Define the following term:
Interspecific competition
Select the statement which explains best parasitism.
Name the two intermediate hosts which the human liver fluke depends on to complete its life cycle so as to facilitate parasitization of its primary host.
Competition and Mutualism.
Association between sea anemone and Hermit crab in gastropod shell is that of.
Name the type of association: Crow feeding the hatchling of Koel
Name important defense mechanisms in plants against herbivores.
Define population.
Define Absolute Mortality.
What is ESS?
Define population growth. Explain different types of age pyramids.
Competition between species leads to ________.
The relationship between sucker fish and shark is _________.
Using '-' to depict inhibition and '+' to depict benefit, mutualism between two species can be represented as ____________.
Identify the morphological means of defence to avoid herbivores shown by plants.
The correct description for the interspecific interaction shown in the given figure is ______
Which of the following is TRUE for amensalism?
Parasitism can be conectly represented as ____________.
Which one of the following is NOT an example of commensalism?
A protozoan living in the digestive tract of a flea that lives on a dog is an example of ______
______ 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.
Which type of interaction is represented by the given figure?
Which of the following is a partial root parasite?
Give one example for the following:
A parasitic angiosperm
Write the observations made at the end of Connell's field, experiment on barnacles on the rocky sea coasts of Scotland.
Name any two categories of organisms that in general are adversely affected by competition.
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.
Some orchids live on the branches of mango trees. Name the type of interaction that exists between the mango tree and the orchid.
What happens to an inferior competitor if a superior competitor is present in the same environment?
Given below are two statements.
Statement I - The amount of energy available in an ecosystem increases at each successive trophic level.
Statement II - Transfer of energy from one trophic level to the other follows 10% law.
In light of the above statements, select the correct option given below.
Parasitism is an interaction between two organisms in which ______.
