to have no other alternative; to be left with no other options

the quality of being selective; selectiveness

a type of exam question where a list of possible answers is provided for the test-taker to choose from; choice question

the frequency or rate at which something is selected; selectivity or selectance

A key process in evolution where organisms better adapted to their environment tend to survive and produce more offspring; also called [[天择|天擇|tian1 ze2]] or [[自然淘汰|自然淘汰|zi4 ran2 tao2 tai4]].

the right to choose freely or act independently

mutual selection between two parties; bilateral selection

a question in a test or survey that provides several options from which to choose the correct or appropriate answer

a specific type of selection, as in evolutionary biology or specialized animal breeding

to do something without choosing or being selective; indiscriminate

The right or power to make a choice or decision freely; the right to choose.