SCIENCE

2. Earth has one moon.Its name is?
4. A group of living things that live in the same place at the same time.
6. Considered as dwarf planet.
9. The biggest planet in the solar system.
11. The scientific study of interactions between organisms and their environment.
13. Is an object in space that gives out light and heat.
15. Eat both plants and animals.
17. An organism that only eats meat.
20. An organism that only eats plants.

1. Is made of pieces of ice in space.
3. Any non-living organisms in an ecosystem.
5. The sixth planet in the solar system.
7. The place in which an organism lives out its life.
8. A living thing that breaks down other living things to get nutrients and energy.
10. Number of planets in the solar system.
12. A living thing that gets its food from eating other living things.
14. A living thing that can make its own food.
16. The center of solar system.
18. Are huge chunks of rocks and metals.
19. Any living organisms in an ecosystem.