1 Addresseeâs business title, when required. 2  When an individual holds more than one position in a company, your decision to use all titles or just one will depend on the purpose of the letter and the recipientâs preference. 3  Do not substitute a business title for a courtesy title, however. 4  Address your letter to âMr.
Firstly, pollination is the transfer of pollen from the anther (male organ of the flower) to the stigma (female organ of the flower) of the same or different flower. Secondly, fertilization occurs once the pollen grain reaches the stigma, it produces a pollen tube, which grows down through the style to the ovary.
Types of Pollination. Although all flowering plants rely on pollination for reproduction, there is a variation in how plants pollinate. There are two types of pollination called self-pollination and cross-pollination. Self-pollination is the more basic type of pollination because it only involves one flower. This type of pollination occurs when pollen grains from the anther fall directly onto the stigma of the same flower.