Behavior is actually more complicated than innate or learned. Most behaviors are a mix of the two, neither completely innate nor entirely learned. For instance, some innate behaviors -- such as flying in insects -- can be perfected over time and through experience.
the nucleolus is a prominent sub nuclear structure that is not bound by a membrane and resides within the nuclear matrixthough known to exist since the eighteenth century the primary function of the nucleolus was not discovered until the 1960she nucleolus is a prominent sub nuclear structure that is not bound by a membrane and resides within the nuclear matrix
Nucleolus. Definition. noun, plural: nucleoli. The round granular structure within the nucleus of a cell, and composed of protein and RNA. Supplement. Nucleolus is involved with ribosomal RNA synthesis and formation of ribosomes in eukaryotes. Word origin: New Latin, from Latin, diminutive of nucleus, kernel.he round granular structure within the nucleus of a cell, and composed of protein and RNA. Supplement. Nucleolus is involved with ribosomal RNA synthesis and formation of ribosomes in eukaryotes. Word origin: New Latin, from Latin, diminutive of nucleus, kernel.