Trees and Forests

2. fluid part of a plant
7. a representation of "who eats who" in an ecosystem
8. a woody plant that has a trunk and is perennial
13. a kind of fungus
14. the center of a tree cookie
16. the process by which a leaf makes its own food
18. an area of living and non-living components which form an environment
19. modification of an organism so that it adjusts to a new or altered environment
22. a young tree
23. floor the area around the base of the trees in a forest
24. animals that eat plants and meat
27. animals that eat only meat
29. small, woody structure of coniferous trees which produce seeds
30. inner layer, just inside the outer bark
32. trees that lose their leaves annually
33. the top branches and leaves of the trees in a forest
34. feeding relationship in an ecosystem

1. non-living components
2. a very young tree
3. rings which are present on a cross-secion of a tree trunk which represent the age of a tree
4. products produced from trees
5. a gas composed of carbon and oxygen
6. green substance in leaves that traps light energy; it is used in photosynthesis
9. a preferred place where an animal or plant lives
10. the growing part of the tree where cells form wood
11. a low growing perennial plant
12. the layer between cambium and heartwood
15. organism that breaks down material and litter
17. the loss of water through the pores in the leaves
20. the outer covering of a tree
21. organism that uses energy from the sun to produce its own food
25. an organism which eats other organisms in an ecosystem
26. animals that eat only plants
28. a tree with cones
31. living components of an environment