In terms of roundness and smoothness, name an object which would be a good model of

earth?

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:

b ti isnfornopgnoernfrof

the question isn't complete here so i can't right an answer '_'

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.