Why the increased phosphate levels caused a decrease in biodiversity

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.

When plants use sunlight to make food, the energy of sunlight is

Wich level of organization includes all the other levels or organizations