Epithelial tissue covers the entire surface of many organisms. which term best describes the structure directly below tissues in the hierarchical organization of life? a. atoms b. cells c. molecules d. organs

Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping

Do anyone know who mrs leddy is from duval charter if so me on the homework for 40 points