The action is Fixed Action Pattern. It is a highly typecasted sequence of behaviors that, once begun, is usually carried to completion. It is triggered by a sign stimulus. The egg outside the nest is the stimulus.b <span>It is performed virtually the same by all regardless of environmental conditions. </span> Even if the egg is removed or slips away, she completes the behavior by returning an "imaginary" egg to the nest.
Supports the bone for movement and produces heat in our body..
Can also be a form of food to carnivores.
Semilunar valve will be open
Answer:
I think it's b because the earth's magnetic field had drastically changed shape and direction in the shape
