the living together of two dissimilar organisms; the relationship may be beneficial to both (mutualism and symbiosis), beneficial to one without effect on the other (commensalism), beneficial to one and detrimental to the other (parasitism), detrimental to the first without any effect on the other (amensalism), or detrimental to both (synnecrosis).
Delhi Sultanate. refers to the various Muslim dynasties that ruled in India (1210â1526). It was founded after Muhammad of Ghor Muhammad of Ghor,d. 1206, Afghan conqueror of N India. A brother of the sultan of Ghor, he was made governor of Ghazni in 1173 and from there launched a series of invasions of India. By 1186 he had conquered the Muslim principalities in the Punjab...... Click the link for more information.
Qutb-ud-din Aibak, a former slave of Muhammad Ghori, was the first sultan of Delhi and his dynasty conquered large areas of northern India. Afterwards the Khilji dynasty was also able to conquer most of central India, but both failed to unite the Indian subcontinent.ltutmish's rule lasted till 1236. Following his death, the Delhi Sultanate saw a succession of weak rulers, disputing Muslim nobility, assassinations, and short-lived tenures. Power shifted from Rukn ud din Firuz to Razia Sultana and others, until Ghiyas ud din Balban came to power and ruled from 1266 to 1287.