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Across 7. common name for each step in the transfer of energy and matter in an ecological community 8. Living a.k.a._______ factor 10. Identify the plant group where reduction in vascular tissue, mechanical tissue and cuticle is observed 11. term referring to state of equilibrium 15. Biomass available for consumption by herbivore and the decomposers is called __ 17. psammophytes can convert ___________ to lush green land 20. movement of an individual organism out of an area 24. composed of all living organism which interact with the physical environment on earth 26. give the common name for rabbit, chipmunk, buffalo, sheep w.r.t. food habit 28. Meat eater only 30. _________forest is found near Equator 31. Breakdown of detritus into smaller particles by earthworm is a process. Name it! 35. Bacteria and _________________ form the major decomposers. (hint: saprophyte) 36. They are knows as nature's cleaner! 37. Many foodchains connected together 38. Collection of populations that interact with each other in a given area 39. Orchid resembles the female insect to get pollinated. What is orchid doing here? 40. study of interaction between groups of various organisms with their environment is 41. Shape of pyramid of biomass of sea

Down 1. Animals moves into a new area/territory 2. Chemical that converts light energy into chemical energy 3. "The relationship between two species in which one is inhibited or harmed by the presence of the other". Name it! 4. Rice field is an _____________ ecosystem 5. Cuscuta is a classic example of which type of parasitism? 6. Cold-blooded animals a.k.a. ____________ 9. Name the guy who gave competitive exclusion principle. 12. Animals a.k.a Scavengers 13. Plants growing on trees have a term. Provide it. 14. The rate of production of organic matter during photosynthesis in an ecosystem is_____ 16. Animals that can maintain their body temperature 18. Organisms living in water 19. Natural home of plant or animal 21. methane, ozone, water vapour are examples of ___________ gases 22. Animals living on trees are termed _______ 23. This guy gave us the word 'ecosystem' 25. What is the study of soil? 27. Give a name to the upper warmer Oxy-rich water layer of a lake 29. Percentage ratio of natality over mortality 32. Lion killing a deer and eating it. What is this process called? 33. what is the position of green plants in food chain called? 34. ______ pyramid is never inverted