Academic session 2026-27, Chapter 11 in the current curriculum.
Welcome to the NCERT Solutions for Class 12 Biology - Chapter Organisms and Population. This page offers a step-by-step solution to the specific question from Exercise 0, Question 18:
Fill in the blanks
Fill in the blanks
|
Species A |
Species B |
Type of Interaction |
Example |
|
+ |
- |
Predation |
Animals prey on autotrophs |
|
+ |
+ |
Mutualism |
Lichens, Yucca- Yucca moth |
|
+ |
0 |
Commensalism |
Liana perched on other plants for the support |
Predation is the negative interaction where the one living organism is eaten by the other organism through capturing, killing and eating. The one who feeds on the organism is known as predator and the other who is being eaten is known as prey. Mutualism is the positive interaction which is a symbiotic relationship between the members of two different species in which both the members get benefitted. Commensalism is the type of positive interaction and is a symbiotic relationship between the two species in which one species is benefitted and other neither benefits or nor is harmed. Climbers (lianas) takes tree’s support for exposing their canopy without doing harm to the tree itself.
NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:
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Welcome to the NCERT Solutions for Class 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 18: Fill in the blanks....
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