Ecology Crossword

The scientific discipline in which the relationships among living organisms.
The portion of Earth that supports life.
The living factors in an organism's environment.
The nonliving factors in an organism's environment.
A large group of ecosystems that share the same climate and have similar communities.
A biological community with biotic and abiotic factors.
An area where an organism lives.
A role or position that an organism has in its environment.
A symbiotic relationship where two organsims benefit from each other.
A symbiotic relationship where one organism benefits and the other is harmed.
An organism that collects energy from sunlightor inorganic substances to produce food.
An organism that gets its energy requirements by consuming other organisms.
A simple model that shows how energy flows through an ecosystem.
Organisms who eat fagments of dead matter in an ecosystem.
Symbiotic relationship in which one organism benefits and the other is neither helped nor harmed.
A heterotroph that eats only plants.
Organisms that eat both plants and animals.
Model representing the many interconnected food chains and pathways in which energy flows.
Total mass of living matter at each trophic level.
Each step in a food chain or food web is called.