| A | B |
|---|
| nutrition | intake of food for promoting growth and maintaining body tissue |
| producers | bring energy into the food chain |
| consumers | cannot make their own food; not essential to the food chain |
| decomposers | recycle raw materials in the food chain |
| photosynthesis | energy-trapping process in which plant form organic compounds |
| respiration | energy-releasing process in which food is converted into energy |
| heat | required to maintain body temperature so chemical reactions can occur |
| three elements required by plants in large quantities | nitrogen, potassium and calcium |
| how plants obtain their minerals | aborbed through the soil |
| Food Pyramid | helps people make daily food choices for better health |
| nutrient | a substance that is required for survival, growth or reproduction |
| metabolism | chemical reactions that take place in an organism as food is used |
| carbohydrates | the body's main source of energy |
| fats | store energy and protect organs |
| proteins | build and repair body parts |
| vitamims | organic compounds needed in small quantities for normal body functioning |
| minerals | inorganic substances needed in small quantities |
| water | regulates body temperature and transports materials |
| oxygen | required for the process of breaking down food for energy |
