The heart gets its own blood supply through the circulation

PLS HELP ME

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.

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