Biosphere Crossword

1. a biological community of interacting organisms and their physical environment.
4. what are produced from a reaction.
6. an organism that only eats foods of animal origin.
12. the cellular powerhouse and the organelle where energy production occurs.
16. a process by sunlight energy is changed inside a plant into chemical energy.
18. the praying of one animal on others.
19. the act of leaving home.
20. where one organism lives inside another and takes the others nutrition.
21. species that are the first to come to a disrupted or damaged ecosystem.
24. ingredients needed to perform a task.
25. something that prevents a population from growing.
27. specific versions of organisms that have differences from other versions.
28. a close relationship between two organisms that benefits at least one of the species.

2. the series of predictable changes that occur in a community over time.
3. an organism that gets food and nutrition by eating other organisms.
5. the type of symbiosis where one organism benefits and the other is not affected.
7. the act of settling permanently in a new home.
8. regions of the Earth occupied by different ecosystems.
9. the plant organelle that performs photosynthesis.
10. behaviors/physical characteristics that help organisms survive in their environments.
11. the largest population an area can support.
13. an organism capable of producing its own food.
14. the process that all living things go through to create the energy they need to live.
15. an animal that feeds on carrion, dead animal, dead plant material, or refuse.
17. an organism that only eats foods of plant origins.
22. an organism that eats both plants and animals.
23. a group of organisms of different populations living in the same habitat.
26. the type of symbiosis where both species benefit.