Grade 7 crossword science 🔬

2. ,_________ shows the transfer of energy from living thing to living thing.
8. , the begining of a food chain.
9. ,_______________ refers to the conservation of an balance by avioding depletion of natural recorces.
11. ,_______ happens in an area where a community that previosly existed has been removed.
15. ,the three R's.
17. ,a positive human impact that renews forestry
18. ,a negetive human impact that weakens are atmosphere.
19. , a veriety of life in different shapes and siezes.

1. ,a type of human impact that hunts illegaly.
3. ,__________ are orginisms that break down dead or decaying orginisms.
4. ,non-liveing element icluded in a ecosystem.
5. ,a living element included in an ecosystem.
6. ,another type of decomposer that is invertibrate.
7. ,living thing that comumes other things in an ecosystem
8. ,_________ happens in lifeless areas where soil is not capable of sustaining life.
10. ,a producer(e.g. clovers)
12. ,a non living thing that has rain,snow,hot,cold ex.
13. , a type of human impact that get rid of insects.
14. ,type of decomposer (hint mushroom).
16. ,An _________ includes all of the living things in a given area.