Across
- 1. series of steps in which organisms transfer energy by eating and being eaten
- 3. evaporation of water from the leaves of a plant
- 8. total dry mass of organisms within a trophic level
- 9. consumer that eats secondary consumers
- 10. specific environment of an organism including both biotic and abiotic factors
- 14. factors in an environment which are living
- 15. an organism that breaks down dead remains of another
- 18. group of ecosystems classified by climate and plant life
- 19. symbiotic relationship where one organism benefits and the other is neither harmed nor benefited
- 20. symbiotic relationship where all organisms benefit
- 21. an organism which produces its own food
Down
- 2. the number of living organisms that an ecosystem can support without environmental degradation
- 4. group of interbreeding organisms coexisting together
- 5. growth that is unhindered because of an abundance of resources
- 6. symbiotic relationship where one organism benefits and the other is harmed
- 7. an organism's role in its ecosystem
- 11. factors affecting organisms which include the nonliving physical and chemical conditions
- 12. type of population growth controlled by limited resources or presence of predators or both
- 13. effect created when certain gases like CO2, water vapor and methane trap heat
- 16. study of interactions between living and nonliving things
- 17. type of consumer that eats producers
- 19. group of populations living and interacting in the same area
