Advertisements
Advertisements
प्रश्न
Define the following term:
Commensalism
Advertisements
उत्तर
An interaction in which one species benefits while the other is neither benefited nor harmed is called commensalism.
APPEARS IN
संबंधित प्रश्न
Apart from being a part of the food chain, predators play other important roles. Mention any two such roles supported by examples.
State Gause’s competitive exclusion principle.
What is the ecological principle behind the biological control method of managing with pest insects?
How is mutualism different from commensalism?
Define the Stenothermal organisms.
Name and explain the interaction that is seen between clownfish and sea anemones.
Association between sea anemone and Hermit crab in gastropod shell is that of.
What is the ecological process behind the biological control method of managing pest insects?
Enlist and explain the important characteristics of a population.
The cattle egret and grazing cattle in close association is a classic example of ______.
What is population ecology?
Explain any three important characteristics of population.
Explain different population interactions with examples.
Define population growth. Explain different types of age pyramids.
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.'?
Two species competing for the same resources, avoid competition by choosing different times for feeding, also known as ______
Identify the correct pair that exhibits commensalism.
Brood parasitism is best explained by the example of ____________.
Identify the interspecific interaction which one species is benefited and other is neither banned nor benefited.
Match the Columns.
| Column A | Column B | ||
| i. | Lice on humans | a. | Endoparasites |
| ii. | Ectoparasites on marine fishes | b. | Grows on hedge plants |
| iii. | Cuscuta | c. | Ectoparasites |
| iv. | Plasmodium and humans | d. | Copepods |
Which one of the following is an example of predation?
Musk deer 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?
A population has more young individuals compared to the older individuals. What would be the status of the population after some years?
Lichens are association of ______.
What is the interaction between two species called?
Define ectoparasite and endoparasite and give suitable examples.
In an aquarium two herbivorous species of fish are living together and feeding on phytoplanktons. As per the Gause’s Principle, one of the species is to be eliminated in due course of time, but both are surviving well in the aquarium. Give possible reasons.
Pick out the appropriate association representing brood parasitism.
Sea Anemone gets attached to the surface of the hermit crab. The kind of population interaction exhibited in this case is ______.
The interaction between cattle egret and the buffalo is ______.
Match the Column I with Column II.
| Column I | Column II |
| A. Lichen | (i) Commensalism |
| B. Shark and Pilot fish | (ii) Mutualism |
| C. Barnacles on the back of a whale | (iii) Symbiotic obligatory relationship |
| D. Sharks and dolphins | (iv) 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.
Give one example of Camouflage.
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.
