Ecology Vocabulary Crossword Puzzle

QUESTIONS LIST:

• commensalism : a relationship in which one species benefits and the other remains unaffected
• amensalism : an interaction in which the presence of one species has a negative effect on another, but the first species is unaffected
• predator : an organism that hunts and kills other organisms for food
• herbivore : an organism that feeds only on autotrophs
• producer : any organism that is an autotroph
• autotroph : the first trophic level of a food web
• decomposer : an organism that feeds on dead or decaying organic matter
• competition : a relationship between organisms in which one is harmed when both are trying to use the same limited resource
• invasive species : an organism that is not native to a particular area
• carnivore : an organism that never feeds on producers
• consumer : any organism not included in the first trophic level
• altruism : the behavior of an individual that increases the fitness of another individual, while decreasing its own fitness
• heterotroph : an organism that feeds on another organism because it cannot make its own food
• parasitism : a symbiotic relationship in which one organism gains benefits at the expense of the host
• mutualism : an interaction that benefits both species involved
• omnivore : an organism that feeds on other organisms from any trophic level
• predation : an interaction in which one organism preys upon another
• symbiosis : any type of close and long-term interaction between two species