|a plant, animal, or other organism bearing an evolutionary relationship to another, often as a member of the same family|
|single-celled colonial algae occurring in soil and on moist rocks and vegetation and also as a slime or scum on ponds and stagnant waters|
heterosexual het·er·o·sex·u·al (hět'ə-rō-sěk'sh&oomacr;-əl)
Sexually oriented to persons of the opposite sex. n.
A heterosexual person.