Replica resembles a rabbit head, and is black in color. It has two white slits for eyes and a thin purple line of light across its body resembling a mouth. It also has two appendices on the top of its body which resemble rabbit ears, and two other, foot-like appendices on the underside of its body, which seem to serve as a landing support, but were never seen in use, as Replica is always floating or flying.
3. any point of entering or beginning: the threshold of a new career. 4. Also called limen. the point at which a stimulus is of sufficient intensity to begin to produce an effect: the threshold of consciousness; a low threshold of pain.
Such definitions typically define a forest as an area growing trees above some threshold. These thresholds are typically the number of trees per area (density), the area of ground under the tree canopy (canopy cover) or the section of land that is occupied by the cross-section of tree trunks (basal area).