How does the principle of independent assortment apply to chromosomes

Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d. the size of the geographic area inhabited by a population can cause speciation.

Advances in technology have enabled scientists and researchers to better study the evolutionary relationships between species

Explain how scientists use geologic time to determine the age of landforms.