Closed system - energy can enter or leave the system but matter cannot
Open system - both matter and energy are exchanged freely between the system and the surroundings
You need organisms like some are in plants and without Plants how will the animals eat
Improving quality of a product can lead to a lower cost since if products are faulty, the customers will return which is sometimes need to be replace thus it would be a profit loss but if it is of good quality this can be avoided. Another would be if there is no warranty in the shop it can damage the reputation causing them to lost customers and can also result to lawsuits. If there is good quality then these can't be happening.
