C. Mutualistic relationship
Flowers and hummingbirds have a mutualistic relationship where both benefit. Flowers produce food in the form of nectar (sugar and water) to attract hummingbirds which, in turn, move pollen for the plant (pollination).
Salcâmul ,,trăieşte,, în jur de 100 de ani.
Baftă!
1) Eubacteria.
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