Across
- 4. _____________ is the blending of the living organisms with their surroundings
- 6. Porcupines are covered with spiky hairs called _________
- 8. A dam built by ________ can change the ecosystem of a stream.
- 9. Litter is not just ugly. It is __________.
- 11. _________ also change ecosystems. Wherever we live we build and move things around. Every change we make in an environment affects the living things.
- 13. We can keep the environment clean by properly __________ unwanted items or trash.
- 15. God has commanded us to be good _______ of Earth’s resources, we need to take care of what God has given us.
- 17. Two different kinds of animals may form a ____________________.
- 20. Animals cannot make their own __________.
- 21. Animals can also have partnerships with ____________________. Some flowers and insects need each other in order to survive.
- 22. __________ use their tusk to dig deep holes to find water in underground springs.
- 23. It is our job to use the resources _______.
Down
- 1. When living things try to use the same ________, it is called competition.
- 2. Birds use ________ to get food.
- 3. A ______ may shelter a bat or a lion.
- 5. Nonliving things surrounding a living thing.
- 7. Plants need ___________________ to make their own food.
- 10. Living in a ________ can make it easier for the animals to find food.
- 12. ____________is trash that is not thrown away in the proper place.
- 14. Moles and prairie dogs dig __________ into the ground.
- 16. ______ bear uses its sharp claw to split a hollow log and find the insects that it likes to eat.
- 18. is All the living things and nonliving things in one area.
- 19. Animals can also have partnerships with __________. Some flowers and insects need each other in order to survive.