What type of evidence should be collected first ?

The evidence that should be collected first is the evidence such as fingerprints, footprints, tire tracks, blood and other body fluids, hairs, fibers and fire debris. NIJ funds projects to improve: Identification of blood and other body fluids at the scene.

falling water hydro = water .. spectcular places these plants are

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).