Explain parasitism and co-evolution with the help of one example of ea

1.	Explain parasitism and co-evolution with the help of one example of each.
Answer» Parasitism is an interaction between two species in which one species (parasite) derives benefit while the other species (host) is harmed. For example, ticks and lice (parasites) present on the human body represent this interaction where in the parasites receive benefit (as they derive nourishment by feeding on the blood of humans). On the other hand, these parasites reduce host fitness and cause harm to the human body. Co-evolution is an interaction between two living organism where both are equally benefitted and no one is harmed. For example, wasp pollinating fig inflorescence. The fig species is pollinated only by its 'partner' wasp species and no other species. The female wasp pollinates the fig inflorescence while searching for suitable egg-laying sites in fruits, whereas the fig offers the wasp some developing seeds, as food for the wasp larvae.

Explain parasitism and co-evolution with the help of one example of each.

Answer»

Parasitism is an interaction between two species in which one species (parasite) derives benefit while the other species (host) is harmed. For example, ticks and lice (parasites) present on the human body represent this interaction where in the parasites receive benefit (as they derive nourishment by feeding on the blood of humans). On the other hand, these parasites reduce host fitness and cause harm to the human body.

Co-evolution is an interaction between two living organism where both are equally benefitted and no one is harmed. For example, wasp pollinating fig inflorescence. The fig species is pollinated only by its 'partner' wasp species and no other species. The female wasp pollinates the fig inflorescence while searching for suitable egg-laying sites in fruits, whereas the fig offers the wasp some developing seeds, as food for the wasp larvae.

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