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