1. In what period did the boat travel the fastest? 2. In what period did the boat travel the slowest?
3. How many total days did the boat rest?

British cologoinst admisitrion

How is it possible that phylogenies based on sequences from nuclear genomes and organellar genomes (i.e., chloroplasts and mitochondria) from the same group of species yield phylogenetic trees with different branching orders?   answer :   the genome of the endosymbiont is more closely related to members of the group in which it originally evolved, while the nuclear genome of the engulfing organism has its own evolutionary trajectory.

The displacement is the change in position. final position minus the initial position.the initial position at the origin is 0 m. the final position is -12 m. therefore the displacement of the object is -12 m.