NB crossword

4. Encyclopedic entry. An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals.
5. An abiotic factor is a non-living part of an ecosystem
8. Mutualism is defined as an interaction between individuals of different species that results in positive (beneficial) effects on per capita reproduction and/or survival of the interacting populations.
9. an organism deriving its nutritional requirements from complex organic substances.
12. a system of interlocking and interdependent food chains.
14. a NFL team from Wisconsin
16. In ecology, a niche is the match of a species to a specific environmental condition.
18. A predator is an animal that hunts
19. an association between two organisms in which one benefits and the other derives neither benefit nor harm.
20. the preying of one animal on others.

1. biotic components, or biotic factors, can be described as any living component that affects another organism or shapes the ecosystem.
2. the practice of living as a parasite in or on another organism.
3. Threatened Species are any species which are vulnerable to endangerment in the near future.
6. The biosphere is a global ecosystem composed of living organisms
7. Food chain, in ecology, the sequence of transfers of matter and energy in the form of food from organism to organism.
10. the branch of biology that deals with the relations of organisms to one another and to their physical surroundings
11. a species of animal or plant that is seriously at risk of extinction.
13. the natural home or environment of an animal, plant, or other organism.
15. Carrying capacity can be defined as a species' average population size in a particular habitat.
17. A fast food company with 2 arches.