Principles of Ecology Crossword Puzzle

physical area in which an organism lives
heterotroph that preys on other heterotrophs
symbiotic relationship in which one organism benefits at the expense of another organism
role, or position, of an organism in its environment
scientific study of all the interrelationships between organisms and their environment
organism that captures energy from sunlight or inorganic substances to produce its own food
organism that cannot make its own food and gets its nutrients and energy requirements by feeding on other organisms
any nonliving factor in an organism's environment, such as soil, water temperature,and light availability
biological community and all the nonliving factors that affect it
total mass of living matter at each trophic level
heterotroph that eats only plants
process in which fixed nitrogen compounds are converted back into nitrogen gas and returned to the atmosphere
process in which nitrogen gas is captured and converted into a form plants can use
group of organisms of the same species that occupy the same geographic place at the same time
large group of ecosystems that share the same climate and have similar types of communities