Which ones are true about interdependence (a) one is benefited and other unaffected in mutualism (b) Both partners are benefited in commensalism (c) One kills and feeds on another in predation (d) Both partners are benefited in symbiosis
A
a and b only
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B
a and c only
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C
b and c only
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D
c and d only
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E
b and d only
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Solution
The correct option is D c and d only i) Mutualism is a type of relationship which is only beneficial to both the organisms.
ii) Competition is a type of relationship which is harmful to both the organisms.
iii) Parasitism is a type of relationship which is beneficial for one organism but harmful to the other.
iv) Predation is a type of relationship which is beneficial for one organism but inhibits the growth of the other.
v) Commensalism is a type of relationship which is beneficial for one organism and has no effect on the other organism. Therefore, the options C and D are only true.