Science 4, Unit 1 Review

6. We breathe this out, plants take it in.
8. An organism that eats dead plants or animals.
10. These tiny organisms live everywhere; in your mouth, on your hands and on your desk.
14. All living things need this, they get it from food.
15. Producers, consumers and decomposers work together in this cycle.
17. A kind of decomposer that can grow on your food or on a tree.
18. This kind of organism can eat both plants and meat.
19. Plants make food using this process.
20. After you eat your food, you do this in your stomach.

1. A decomposer; you can eat it for dinner and it also makes Mario big.
2. This tastes sweet; plants make it by using sunlight.
3. These organisms make their own food.
4. This is what you do when you fight for food.
5. These kinds of animals hunt other animals to eat.
7. This is like a plant's nose.
9. These animals are hunted by other animals and get eaten.
11. This is what makes plants green.
12. This is another name for "living thing".
13. We breathe this in, plants give it out.
16. An organism that cannot make its own food; it eats other plants or animals.
17. A bit like a food chain, but bigger.