| A | B |
|---|
| Energy transfer | What does the arrow on a food chain show you |
| Sunlight | The source of energy in almost all food chains |
| Organic | Energy containing compounds with carbon and hydrogen in them |
| Excretion | The process where cells get rid of waste and lose a bit of energy |
| Inedible | The parts of an organism you can't eat (even if they contain energy) eg bones, shells, tree trunk |
| Efficient | What a food chain must be if it has lots of levels |
| Consumer | An organism which eats other organisms |
| Producer | Organism at the start of a food chain |
| Photosynthesis | What producers do |
| Short | What a food chain will be like if lots of energy is lost at each stage |
| Vegetarian | Someone who eats no meat |
| Inefficient | People who eat meat are this because so much energy is wasted by animals compared with how much energy they contain |
| Decomposers | Bacteria and fungi which break down dead things |
| Bacteria | The majority of decomposers which aren't fungi |
| Fungi | The majority of decomposers which aren't bacteria |
| Carbon dioxide | Released into the air by respiration |
| Respiration | Releases carbon dioxide from organic molecules |
| Photosynthesis | The process which takes carbon dioxide from the air and turns it into sugars |
| Plants | Organisms which take carbon dioxide from the air |
