ovary
222
Ostracoda. (From Barnes 1987
after Cohen 1982)
ovary organ which produces eggs. In vertebrates it also produces sexual hormones.
overexploitation level of exploitation where the resource is less than would be
required to support the long-term maximum sustainable yield.
overflow continuous or intermittent flow of relatively heavy water from one sea
area to another over submarine ridges separating them. Overflow occurs
over the sill in the Strait of Gibraltar, the Bab-el-Mandeb and the ridges
between Scotland, Iceland, and Greenland.
overgrazing ~grazing.
oviparous mechanism of reproduction in which the offspring develop in eggs
that are deposited and hatch outside the body of the female animal.