Biosphere Crossword

2. ingredients needed to perform a task.
8. an animal that feeds on carrion, dead animal, dead plant material, or refuse.
9. something that prevents a population from growing.
12. specific versions of organisms that have differences from other versions.
14. the cellular powerhouse and the organelle where energy production occurs.
15. behaviors/physical characteristics that help organisms survive in their environments.
17. a process by sunlight energy is changed inside a plant into chemical energy.
20. regions of the Earth occupied by different ecosystems.
22. a close relationship between two organisms that benefits at least one of the species.
24. an organism capable of producing its own food.
26. a group of organisms of different populations living in the same habitat.
27. the praying of one animal on others.
28. an organism that eats both plants and animals.

1. the process that all living things go through to create the energy they need to live.
3. the largest population an area can support.
4. the plant organelle that performs photosynthesis.
5. species that are the first to come to a disrupted or damaged ecosystem.
6. where one organism lives inside another and takes the others nutrition.
7. an organism that only eats foods of plant origins.
10. the type of symbiosis where one organism benefits and the other is not affected.
11. a biological community of interacting organisms and their physical environment.
13. the act of leaving home.
16. an organism that gets food and nutrition by eating other organisms.
18. the series of predictable changes that occur in a community over time.
19. the type of symbiosis where both species benefit.
21. the act of settling permanently in a new home.
23. an organism that only eats foods of animal origin.
25. what are produced from a reaction.