English
Karnataka Board PUCPUC Science 2nd PUC Class 12

Give one example of commensalism.

Advertisements
Advertisements

Question

Give one example of commensalism.

Very Short Answer
Advertisements

Solution

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.

shaalaa.com
  Is there an error in this question or solution?
Chapter 11: Organisms and Populations - EXERCISES [Page 204]

APPEARS IN

NCERT Biology [English] Class 12
Chapter 11 Organisms and Populations
EXERCISES | Q 7. (a) ii. | Page 204
Nootan Biology [English] Class 12 ISC
Chapter 13 Organisms and Populations
NCERT EXERCISES | Q 13. (a) (ii) | Page 616

RELATED QUESTIONS

During .............. typs of interaction, both organisms are benefited

  1. mutualism
  2. competition
  3. commensalism
  4. parasitism

Write what do phytophagous insects feed on.


Describe the mutual relationship between fig tree and wasp and comment on the phenomenon that operates in their relationship.


Define the following term:

Interspecific competition


Mention any two examples where the organisms involved are commercially exploited in agriculture.


Competition and Mutualism.


Name and explain the interaction that is seen between clownfish and sea anemones.


What is the ecological process behind the biological control method of managing pest insects?


Define community.


Community is defined as ______.


What is population ecology?


Explain any three important characteristics of population.


Parasitism can be conectly represented as ____________.


Which one of the following is an example of predation?


A protozoan living in the digestive tract of a flea that lives on a dog is an example of ______


Rafflesia an arnoldii is an example of ______.


A population has more young individuals compared to the older individuals. What would be the status of the population after some years?


Which of the following is a partial root parasite?


What is the interaction between two species called?


Give one example for the following type.

Chemical defense agent


Fill in the blanks

Species A Species B Type of Interaction Example
+ - ______ ______
+ + ______ ______
+ 0 Commensalism ______

While living in and on the host species, the animal parasite has evolved certain adaptations. Describe these adaptations with examples.


Between which among the following, the relationship is not an example of

?


A bird laying its egg in the nest of another bird is the type of ______.


Write a note on parasitism.


Mention the scientific name of protozoan parasite that causes Amoebiasis.


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.


Statement I: Gause’s competitive exclusion principle states that two closely related species competing for different resources cannot exist indefinitely.

Statement II: According to Gause’s principle, during competition, the inferior will be eliminated. This may be true if resources are limiting.

In the light of the above statements, choose the correct answer from the options given below:


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×