Down
| 1. | The place where animals live. Most animals need this to be protected from other animals and the weather. |
| 2. | Animals need this gas to live. |
| 3. | The bodies of all animals contain this. Most animals drink this while other animals get this from the foods they eat. |
| 4. | The average weather in a certain environment over many years. |
| 5. | A change in an organism's environment that can affect the activity of an organism. Organisms can detect changes in their environment. |
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Across
| 2. | Any living thing that can grow and reproduce. |
| 6. | The ability to do work. All animals need ____ in order to grow. |
| 7. | Unlike most ____, animals cannot make their own food. |
| 8. | All living things ____ during some point of their lives. We can measure this. |
| 9. | Land animals breathe the oxygen they need from this. |
| 10. | Every living thing is made up of one or more ____. |
| 11. | Animals get nutrients and energy from this. |
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