Principles of Ecology Crossword Puzzle

QUESTIONS LIST: food web : many food chains, carnivore : eats only meat, autotroph : collects energy from the sun, heterotroph : consumes other organisms, niche : role an organism has, ecosystem : biological community and abiotic factors that affect it, nutrient : chemical substance an organism needs to sustain life, biosphere : portion of earth that supports life, habitat : area where an organism lives, predation : one organism consumes another, biotic : living, tropic level : flow of energy, matter : anything that takes up space and has mass, abiotic : non-living, detritivore : eats dead matter, omnivore : eats both plants and animals, herbivore : eats only plants, ecology : organisms and their environment are studied, symbiosis : two species living together, food chain : simple model that shows the flow of energy