Two types - one type is characterized by individual cells that are separated by the formation of septa or cross-walls, with each cell having a typical eukaryotic structure. The second type is coenocytic, in which cross-walls are not present to form individual cells.
In Polish the meaning of the name Jack is: God is gracious. English Meaning: The name Jack is an English baby name. In English the meaning of the name Jack is: God is gracious. During the Middle Ages, Jack was so common that it was used as a general term for 'man' or 'boy'.Famous Bearer: American actor Jack Lemmon.n Polish the meaning of the name Jack is: God is gracious. English Meaning: The name Jack is an English baby name. In English the meaning of the name Jack is: God is gracious. During the Middle Ages, Jack was so common that it was used as a general term for 'man' or 'boy'.
Notes: Jack is a name with English origins. When derived from the name John, the meaning of the name Jack is God is Gracious. When short for Jackson, it means Son of Jack. Nicknames of the name Jack include Jay and J.J., but it is mostly considered a nickname in itself.Jac and Jak are alternate spellings of the name Jack.otes: Jack is a name with English origins. When derived from the name John, the meaning of the name Jack is God is Gracious. When short for Jackson, it means Son of Jack. Nicknames of the name Jack include Jay and J.J., but it is mostly considered a nickname in itself.