If you teach your dog a trick and then reward him with a treat when he performs the trick, this is an example of learned behavior. Over time, the dog learned that he would be rewarded for following your command.
to show the way to food
diffusion
Muscle.
response to stimuli
Antibodies.
An accessory organ of digestion is one that is involved in the process of digestion but is not actually a part of the digestive tract. An example of this is the tongue.
The person and their attitude promotes altruistic behavior.
They had a large variety of farm products
nerhrons are the smallest functional filtering units of kidneys.
Pancreas
the lymphatic system
internal fertilization