Asexual reproduction is the primary form of reproduction for single-celled organisms such as the archaebacteria, eubacteria, and protists.
reciprocate. 1  to give, feel, etc., in return. 2  to give and receive reciprocally; interchange: to reciprocate favors. 3  to cause to move alternately backward and forward. 4  to make a return, as for something given. 5  to make interchange. 6  to be correspondent. 7  to move alternately backward and forward.
The act of vacating; a making void or of no force; as, the vacation of an office or a charter. 2. Intermission of a stated employment, procedure, or office; a period of intermission; rest; leisure. It was not in his nature, however, at least till years had chastened it, to take any vacation from controversy.