The Health of the Environment Crossword Puzzle
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QUESTIONS LIST:
- biotic : the living factors of an ecosystem
- biologicalcontrol : the use of a species to get rid of pests instead of using pesticides
- coralreef : an aquatic ecosystem with high biodiversity
- diseases : they control the size of a populations by making them sick
- predators : they control the number of preys by hunting them
- biosphere : earth planet; the biggest ecosystem
- ecosystem : an environment with living and non-living things
- toxins : another word for "poisons"
- bioaccumulation : the build-up of chemicals or toxins in an organism during its lifetime
- population : the size or the number of organisms of a certain species
- invasive : species that cause problems in other ecosystems, but not in their homeland
- biodiversity : a measure of the biological variety of species in an ecosystem
- niche : the role or the job of an organism
- pesticides : chemicals that kill pests to protect our crops
- desert : a land ecosystem with very little water; so hot during the days and cold during the nights
- interdependence : organisms need each other to stay alive
- habitat : the home of an organism
- abiotic : the non-living factors of an ecosystem
