Chapter 18 Ecology
Crossword
schmied/nowak ©2005 all rights reserved
Across
1. Nonliving, physical features of the environment
3. a part of the earth that supports living organisms
5. Series of overlapping food chains
7. Role of an organism in the ecosystem
9. Symbiotic relationship that benefits one partner but does not harm or help the other
11. Size of a population occupying an area of a specific size
13. Individual organisms of the same species that live in the same place and can produce young
14. Symbiotic relationship that benefits one organism but harms the second organism or host
15. Feeding of one organism on another
17. Any biotic or abiotic factor that restricts the number of individuals in a population
18. Any close relationship between two or more different species
19. Largest number of individuals an environment can support and maintain for a long period of time
20. Involves the process of evaporation, condensation and precipitation of water
21. Physical location where an organism lives
22. The transfer of nitrogen from the atmosphere to plants and back to the atmosphere or directly into plants
23. groups of organisms that interact with each other in a given area
Down
2. The number of offspring each female of a population can produce under best conditions
3. Living organisms in the environment
4. An important abiotic factor. Most organisms are 50 to 95 percent this.
5. Simple way of showing how energy from food passes from one organism to another
6. The producers have more energy at the bottom than the consumers above the producers in this diagram
8. A science that studies the interactions that take place among organisms and between organisms and the pyhsical features of the environment
10. Symbiotic relationship that benefits both species
12. helps to determine the types of plants and animals in a location
16. A place made up of a biotic community and the abiotic factors that affect it.
EE2 Core Ecology Index
Project Page
Home
© 2008 John Schmied & Mike Reid all rights reserved
