Data collected by the drilling ship glomar challenger confirmed that

Glomar Challenger missions started in 1968. The drilling ship collected cores, or long cylinders of sediment and rock beneath the seabed. The cores confirmed the theory of seafloor spreading and tectonic plates. Collected data also showed evidence of change in the earth's climate throughout history, as well as evolutionary clues.

D. pedigree

A diagram in which several generations of a family and the occurrence of certain genetic characteristics are shown is called a. pedigree. A family record that indicated the occurrence of a trait is a. pedigree.