1) The grass is a ___ in this food chain. a) producer b) primary consumer c) secondary consumer 2) The grasshopper is a _______ in this food chain. a) producer b) primary consumer c) secondary consumer 3) What term best describes the frog, fox and owl in each food chain? a) producer b) primary consumer c) secondary consumer 4) What do the arrows in a food chain represent? a) direction of energy flow b) direction of travel c) direction of death 5) Which terms best describe an organism that makes its own food? a) producer b) autotroph c) both of these terms 6) Which terms best describe an organism that EATS it's food? a) consumer b) heterotroph c) both of these terms 7) Which correctly lists these terms in order from smallest (least complex) to biggest? a) ecosystem - population - community b) population - community - ecosystem c) community - population - ecosytem 8) What type of organism feeds on dead and decaying matter? Example: fungi a) producer b) consumer c) decomposer 9) What is a group of 2 or more populations that interact with one another in all living organisms? a) population b) community c) organism d) ecosystem 10) What is the process where cells use food made by photosynthesis to release store energy? a) respiration b) photosynthesis c) ecosystem d) ntirification 11) What is an organism that supports a parasite, the one that gets harmed in a parasitic relationship? a) parasite b) organism c) host 12) What is the path of energy from the sun to the producer to a series of consumers in an ecosystem called? a) food pyramid b) food web c) food chain 13) What is an ecosystem, arrangement of several overlapping food chains called? a) food pyramid b) food web c) food chain 14) What is a diagram that demonstrates the flow of energy through a food chain called? a) energy pyramid b) food web c) food chain 15) What is a term that describes all members of the same species living together in an ecosystem? a) community b) population c) ecosystem d) niche 16) The the biotic community and the abiotic and biotic factors are called the ______________________ a) community b) population c) ecosystem d) niche 17) What is an individual animal, plant or single celled organism called? a) parasite b) organism c) community d) niche 18) What is the movement of nitrogen between the atmosphere called? a) Carbon Cycle b) Water Cycle c) Life Cycle d) Nitrogen Cycle 19) What is the movement of carbon and oxygen between the atmosphere, oceans, plants, animals and the ground called? a) Carbon Cycle b) Water Cycle c) Life Cycle d) Nitrogen Cycle 20) What is the process in which bacteria breakdown dead organisms and their waste which produces nitrogen gas called? a) Water fixation b) Carbon fixation c) Nitrogen fixation 21) What is the process where in photosynthetic organisms, such as plants, turn inorganic carbon into organic compounds called? a) Water Fixation b) Carbon Fixation c) Nitrogen Fixation 22) What is the microbial process of reducing nitrate and nitrite to gaseous forms of nitrogen, principally nitrous oxide and nitrogen called? a) carbon fixation b) nitrification c) denitrification d) nitrogen fixation 23) What is the process of conversion of ammonia or reduced nitrogen compounds into the easily absorbable form of nitrogen that is nitrates and nitrites called? a) carbon fixation b) Bacteria c) denitrification d) nitrification 24) What is a large group of single celled microorganisms that can cause infection called? a) animals b) organisms c) Dean Smiths  d) bacteria 25) What is the circulation of oxygen in various forms through nature called? a) Oxygen Cycle b) Nitrogen Cycle c) Jacob Cycle d) Ammonia Cycle 26) What is the symbiotic relationship in which BOTH species BENEFIT called? a) mutualism b) commensalism c) parasitism d) competition 27) What is the symbiotic relationship in which ONE BENEFITS while the other is UNAFFECTED called? a) mutualism b) commensalism c) parasitism d) competition 28) What is the symbiotic relationship in which ONE BENEFITS while the other is HARMED called? a) mutualism b) commensalism c) parasitism d) competition 29) The animal that hunts, captures and eat the other organism is called the ____________________ a) predator b) prey 30) The animal that get eaten by the other organism is called the ____________________ a) predator b) prey 31) The process where green plants use sunlight, carbon dioxide, and water to make food and oxygen is called _________________. a) photosynthesis b) respiration c) homeostasis 32) What does all organisms want to maintain? it means balance or stability. a) photosysnthesis b) respiration c) homeostasis

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