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