If it takes 10 hours for the bacteria colony to fill all of its petri dish, how long must it have taken for the colony to fill half of the petri dish?

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.

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?

Mrna decodes information from the original dna master plan to build proteins in the during the process of ribosomes.