| a microscopic structure containing nuclear and cytoplasmic material enclosed by a semipermeable membrane, the basic structural unit of all organisms |
| the primary subdivision of a taxonomic kingdom, grouping together all classes of organisms that have the same body plan |
indifferent in·dif·fer·ent (ĭn-dĭf'ər-ənt, -dĭf'rənt)
adj.
Characterized by a lack of partiality; unbiased.
Not active or involved; neutral.
Undifferentiated, as cells or tissue.