A colony has a female reproductive ant, called a queen, who lays eggs. Those eggs will hatch into worker ants. Larger colonies of ants having millions of ants mostly have female ants making groups of workers, soldiers, or other special castes. Almost all ant colonies also have some fertile male ants called drones.
Rating Newest Oldest. Best Answer: The KâT boundary is a geological signature, usually a thin band, dated to 65.5 million years ago. K is the traditional abbreviation for the Cretaceous period, and T is the abbreviation for the Tertiary period. The boundary marks the end of the Mesozoic era and the beginning of the Cenozoic era, and is associated with the CretaceousâTertiary extinction event, a mass extinction. See the link below for more info. Source(s): http://en.wikipedia.org/wiki/K-t_boundar...
conÂ·verÂ·gent plate boundary. A tectonic boundary where two plates are moving toward each other. If the two plates are of equal density, they usually push up against each other to form a mountain chain.If they are of unequal density, one plate usually sinks (subducts) beneath the other. Also called collision zone.See more at tectonic boundary.onÂ·verÂ·gent plate boundary. A tectonic boundary where two plates are moving toward each other. If the two plates are of equal density, they usually push up against each other to form a mountain chain.