Answer:
The skeletal system provides a frame to
support and protect the body and allows the
body to move.
Answer:
If I am correct it is when the weaker individuals or mutated individuals are killed of by other predators or by nature. Because they cannot survive this is natural selection because they are killed of by nature. Then if they are weak their species will go extinct, thus they are naturally selected to die and only the strong species remain.
Answer:
respiration is a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.
One of the species dieing off.
A prime mover is a muscle whose contraction is chiefly responsible for producing a particular movement. The muscles act on major joints within our bodies. Some more familiar ones are your biceps, triceps, and hamstrings.
