Answer:
Evolution.
Explanation:
The unique method of locomotion in octopus has been utilized by successive generations of octopus through the process of evolution. Evolution is defined as the change in the characteristics of a species over several generations. This type of behaviour is attain by octopus in order to save itself from its predators such as shark so we can say that this unique method of movement is used by octopus to save itself from the predators leads to evolution in the octopus.
D :D hope it was right I'm not sure but I'm trying so if it is ur welcome
In the first one draw the molecules closer together and in the second one draw them more diverse and farther apart hope that helps
Its lithosphere, because lithosphere is above asthenosphere