The endoscope is a way to a. remove a sample for biopsy b. observe the action of the digestive system c. watch the body’s enzyme action d. expose the alimentary canal to air e. all of the above

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

can i get the brainliest pls

explanation:

maybe because its impossible for balloons to lift a whole entire house.