Definission: organs in insects that are involved in the perception of sound; just below the knee in the tibia of all legs in most insects. Reception is performed by aggregations of scolopidia, the unit mechanoreceptor in invertebrates.
Definission: A forest biome is a terrestrial biome which includes, across its entire spatial extent, densely packed vegetation which strongly limits light penetration to the forest floor.
Definission: A grassland biome is a terrestrial biome which includes, across its entire spatial extent, an unbroken layer of grasses (Gramineae), sedges (Cyperaceae) or rushes (Juncaceae).