Ectotherms their body temperature changes with the environment
give it stimuli to react to.
Well you cant clean a sea turtles environment because sometimes you can scare it when it is laying its eggs and it will never return to the beach sorry.
Green sea turtles appear to look like a land turtle. They can camoflage into their environment too.
yes. yes it can.
they use senses
The largest sea turtles are the leatherbacks
Sea turtles eat sea jellies as they are the easiest of animals to catch as they will not react to it's presence. Most sea turtles mistake plastic carrier bags for sea jellies though, then suffocate and die.
sea turtles
The question lacks sufficient detail and can have countless answers. Mutations themselves are random, but natural selection is a process which depends on the specific environment of the sea turtles.
Their color changes to the sea bottom
SEA turtles. Yes.