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प्रश्न
Tabulate and analysis of two species population interaction.
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उत्तर
MUTUALISM (+, +): It is the type of interaction where both species benefit from the interaction. Mutualism may be facultative when the species involved are capable of existence independent of one another, or obligate, when the relationship is imperative of the existence of one or both species.
Examples: i. Certain bacteria in the caeca and intestine of herbivores aid in the digestion of cellulose. ii. The cross pollination of flowers by insects and birds seeking nectar and pollen which is of great importance in agriculture.
COMMENSALISM (+, 0): The concept of commensalism has been broadened in recent years, to apply to coactions other than those centering on food such as cover, support, production, and locomotion.
Examples: i. Barnacles attached to Whales travel thousands of miles collecting and filtering food from the moving water.The whales are not affected by the barnacles. ii. Egrets usually are present near cattle. they catch insects which are disturbed by the cattle.
संबंधित प्रश्न
Association between sea anemone and Hermit crab in gastropod shell is that of.
Using '-' to depict inhibition and '+' to depict benefit, mutualism between two species can be represented as ____________.
Cattle egrets always foraging close to the grazing cattle is an example of ____________.
Define stenohaline species.
Observe the set of 4 figures A, B, C and D and, answer the following questions
- Which one of the figures shows mutualism?
- What kind of association is shown in D?
- Name the organisms and the association in C.
- What role is the insect performing in B?
 Fig. (A) |
 Fig. (B) |
 Fig. (C) |
 Fig. (D) |
Pick out the appropriate association representing brood parasitism.
Write the observations made at the end of Connell's field, experiment on barnacles on the rocky sea coasts of Scotland.
The value of 'Z' (regression coefficient) lies in the range of ______ regardless of the taxonomic group or the region.
Carnivorous animals-lions and leopards, occupy the same niche but lions predate mostly larger animals and leopards take smaller ones. This mechanism of competition is referred to as ______.
Statement I - Calotropis growing in abandoned fields is never consumed by cattle and goats.
Statement II - Calotropis produces highly poisonous cardiac glycosides.
In light of above statements, select the most appropriate answer from the option given below.
