Ecology Review Crossword Puzzle

QUESTIONS LIST: population : all members of a particular species within an ecosystem, parasitism : symbiotic relationship in which one species benefits and one is harmed, abiotic : non living factors of an ecosystem, species : a group of closely related organisms that can reproduce with one another, producers : plants and phytoplankton that produce their own food are known as _ , fixation : nitrogen _ is the process in which nitrogen gas is converted into usable molecules, habitat : the specific enviroment of an organism, biospere : the sum of all ecosystems; broadest level of ecology, community : groups of populations interacting in the same area, tertiary : _ consumers obtain energy from secondary consumers, enery : what all organisms require to survive, primaryconsumer : an organism that eats producers (2 words), symbiosis : a close relationship between two or more species in which at least one benefits, bioticfactors : the living components of an ecosystem (2 words), niche : an organism's role in an ecosystem, phosphorus : essential nutrient found mostly in rock and soil, released by weathering and erosion, invasivespecies : a non-native plant or animal introduced into an ecosystem (2 words), mutualism : relationship between organisms of different species in which all are benefited, exponential : population growth that is unhindered because of an abundance of resources, bacteria : organisms responsible for converting atmospheric nitrogen into ammonium, terrestrial : land biomes such as rainforests, deserts, and savannas are this type of biome