The molecules in a hot material are moving at a speed than the molecules in a cold material.

the principle of segregation describes how pairs of gene variants are separated into reproductive cells. from his data, mendel formulated the principle of segregation. we now know that the segregation of genes occurs during meiosis in eukaryotes, which is a process that produces reproductive cells called gametes.

segmented body, an exoskeleton made from chitin, and joint appendages.