Populations, Communities, Ecosystems Crossword Puzzle

QUESTIONS LIST:

• niche : an organism's role in their environment
• competition : organisms competing for the same resources
• predation : one organism kills another for food
• mutualism : a symbiotic relationship where both organisms benefit
• commensalism : a symbiotic relationship where one organism benefits and the other is unaffected
• parasitism : a symbiotic relationship where one organism benefits and the other is harmed
• succession : a series of predictable events that happen over time
• primary succession : the series of changes that occur where no soil or organisms are exist
• pioneer species : the first species to populate an area
• secondary succession : occurs in a place where an ecosystem and community exist