Across
- 5. the position of an organism in the food chain
- 6. the role an organism plays in a community
- 10. the chemical element with an atomic number of 6 and is widely distributed forming organic compounds when combined with hydrogen or oxygen
- 11. consisting of living organisms
- 12. kill,repel,or control forms of animal and plant life considered to damage or be a nuisance in agriculture and domestic life
- 13. anything that constrains a populations size and slows or stops it from growing
- 15. an organism that can produce its own food using light,water,carbon dioxide,or other chemicals
- 18. an organism that cannot produce its own food and must eat other plants and/or animals to get energy
- 20. a species that is able to thrive in a wide variety of conditions and can make use of a variety of different resources
- 21. small animals in the planktonic community
Down
- 1. the increasing build up of toxic substances within organisms that happens at each stage of the food chain
- 2. an organism that eats other plants or animals for energy and nutrients
- 3. the variety of all living things and their interactions
- 4. an organism that eats dead or decaying plants or animals as food
- 7. not associated with or derived from living things
- 8. a unit of work or energy equal to the work done by a force of one newton acting through a distance of one meter
- 9. matter that has come from a recently living organism
- 14. microscopic organisms that live in watery environments,both salty and fresh
- 16. an interaction between organisms or species in which both require a resource that is in limited supply
- 17. a place where an organism makes its home
- 19. the study of the relationships between living organisms including humans and their physical environment