Community Ecology Crossword Puzzle

QUESTIONS LIST:

• invasive species : organisms that become established outside of their native range.
• mutualism : symbiosis where both species benefit.
• competition : two or more species that fight for a resource.
• secondary : this type of succession begins in an existing community which has been cleared by some disturbance leaving the soil intact.
• symbiosis : individuals of two or more species live in direct and intimate contact with one another.
• diversity : the level variety of different kinds of organisms that make up the community.
• herbivore : an organism that eats a part of a plant or algae.
• vector : an intermediate species that transfers zoonotic pathogens.
• niche : the sum of a species' use of the biotic and abiotic resources.
• community : a group of populations of different species living close enough to interact.
• keystone : species that exert strong control on community structure by their niches.
• food chain : the diagram or idea that shows the transfer of food energy up the trophic levels.
• facilitation : one species has a positive effect on the survival and reproduction of another species without the intimate association of a symbiosis.
• cryptic coloration : a passive defense, camouflage against an organism's environment.
• pathogens : disease-causing microorganisms, viruses, viroids, or prions.
• parasitism : feeding off or harming another organism to survive.
• biomass : the total mass of all individuals in a population.
• primary : this type of succession begins in a virtually lifeless area where soil has not yet formed.
• predation : a predator kills and eats a prey.