Convergent evolution occurs when two species living in the same area are competing for the same resource thus causing one to evolve away from the other. different areas become reestablished and are able to reproduce. different areas evolve similarities through natural selection acting on those characteristics. the same area become reproductively isolated.

Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?

What is any method of measuring the age of an object or event in years, such as using atomic half-life?

The most effective way to provide children with safety messages is to