Population Interactions: Coevolution Iris: Organisms and Populations Organisms and Populations Masterclass in Biology 2 NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Identify the correct statements about symbiotic relationships:

I:	in a parasitic relationship, one organism is harmed and the other is benefited.
II:	coevolution is a feature of many symbiotic relationships.
III:	a relationship that appears to be commensalism may in fact be mutualistic or parasitic.
IV:	the most efficient type of parasite is one that kills its host.

1.	I, II and III only	2.	I, III and IV only
3.	II, III and IV only	4.	I, II, III and IV

Subtopic: Population Interactions: Predation | Population Interactions: Parasitism | Population Interactions: Coevolution |

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Flowers and their insect pollinators must undergo co-evolution because:

1.	Without pollinators plants may get extinct
2.	Plants have to reward the pollinators
3.	The relationship must be safeguarded against cheaters
4.	Insects are the major pollinators of plants

Subtopic: Population Interactions: Coevolution |

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