Which structures are responsible for mechanical breakdown of food

Environmental differences within ecosystems are generally caused by

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?

7. describe two strategies that parents can use to cope with stress. 8. describe the three types of childcare available to families. 9. what can parents do to be more involved in their children's education at home and at school? 10. which factors should a parent consider when choosing a childcare option?