What is the Abiotic factor: aka Climate fresh water

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.

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that

Amoeba sisters video recap pedigrees