In 2007, a researcher in Japan was able to convert human fibroblasts into cells called induced pluripotent stem cells (iPS cells), which closely resemble embryonic stem cells. What is the most likely practical application of this research?

Classify the structures as homologous or analogous, depending on their structure and function.

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called