Populations and Communities Crossword Puzzle

QUESTIONS LIST:

• parasitism : a relationship that involves one organism living, with, on, or inside another organism
• commensalism : a relationship in which one species benefits and the other species is neither helped or harmed
• competition : the struggle between organisms to survive as they attempt to use the same limited resources
• habitat : an environment that provides the things a specific organism needs to live, grow, and reproduce
• predator : organism that does the killing
• niche : the role of an organism in its habitat
• symbiosis : any relationship in which two species live closely together and at least one of the species benefits
• adaptations : the behaviors and physical characteristics that allow organisms to live successfully in their environment
• mutualism : a relationship in which both species benefit
• emigration : moving out of a population
• limiting factor : examples are weather conditions, space, food, and water
• immigration : moving into a population
• prey : organism that is killed
• birthrate : the number of births per 1,000 individuals for a given time period
• organism : one type of living thing