Science 7 Review

3. an animal that moves pollen from flower to flower
5. structure made of solid material, not hollow.
6. the job an organism does in it's ecosystem
8. when an animal no longer exists in a particular area
13. the outermost layer of the earth
14. A material that does not allow heat to transfer easily
15. when wind or water breaks down rocks and carries the pieces away
16. The total amount of energy of particles in a substance
18. structure made of one piece of molded material, hollow inside
19. The female part of the flower
22. The male part of the flower
23. a living thing that makes it's food from the sun, it doesn't have to eat.

1. the type of symbiosis where 2 organisms each benefit from each other
2. a living organism that breaks down dead things into soil
3. The process where plants use CO2 and the sun's energy to make sugar and oxygen
4. the thickest layer of the earth
7. A material that allows heat to transfer easily
9. structure made from individual pieces with joints
10. anything that is a alive in an ecosystem
11. the way that water is able to move into the roots of plants
12. the type of bridge most of you made, created from triangular frames
17. A measurement of the average movement of particles in a substance
20. the type of rock made from layers of dirt settling over time
21. the type of rock made from cooling lava