Answer this honestly and as best as you can!

Why does earth contain such diverse life forms?

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.

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.