What role does squid play in the ocean ecosystem?

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:

"a.) well–developed vascular system."

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.