Energy, Earth, and Health Crossword Puzzle

Organism that feeds on dead decaying animals
aquatic ecosystem such as a pond, lake, stream, or river in which the water contains little or no salt
Type of symbiotic relationship in which both species benefit
symbiotic relationship in which one species benefits while the other species is harmed
close relationship between organisms of different species in which at least one of the organisms benefits from the relationship
an ecosystem of or pertaining to land
a model describing ho nitrogen moves from the atmosphere to the soil, to living organisms, and then back to the atmosphere
an organelle found in most cells; where cellular respiration and energy production occur
the decisions an individual makes when choosing what foods to eat
any chemical or mixture that may be harmful to the environment and to human health if inhaled, swallowed, or absorbed through the skin