1) A change that affects the activity of an organism a) Stimulus b) Homeostasis c) Metabolism d) DNA e) Unicellular f) Multicellular 2) Keeping a stable internal environment a) Stimulus b) Homeostasis c) Metabolism d) DNA e) Unicellular f) Multicellular 3) All of the chemical activity in an organism (energy in (eating), energy out (activity)) a) Stimulus b) Homeostasis c) Metabolism d) DNA e) Unicellular f) Multicellular 4) Molecule in cells that controls the structure and function of the cells a) Stimulus b) Homeostasis c) Metabolism d) DNA e) Unicellular f) Multicellular 5) An organism made of only one cell a) Stimulus b) Homeostasis c) Metabolism d) DNA e) Unicellular f) Multicellular 6) An organism made of many cells a) Stimulus b) Homeostasis c) Metabolism d) DNA e) Unicellular f) Multicellular 7) An organism that makes its own food/energy (plants - photosynthesis) a) Autotroph b) Heterotroph c) Cell d) DNA e) Unicellular f) Multicellular 8) An organism that eats to obtain food/energy (animals) a) Autotroph b) Heterotroph c) Cell d) DNA e) Unicellular f) Multicellular 9) The smallest unit of life a) Autotroph b) Heterotroph c) Cell d) DNA e) Unicellular f) Multicellular 10) All living things: Have __________ a) Cells b) Bats c) Movement d) Sunlight 11) All Living Things: Sense and __________ to change a) Respond b) Stimulus c) Move d) Hope 12) All Living Things: ___________ (make other organisms) a) Reproduce b) Respond c) Stimulus d) Move 13) All Living Things: Have ________ (in their cells) a) DNA b) Cells c) Stimulus d) Metabolism 14) All Living Things: Use __________ a) Energy b) Stimulus c) Homeostasis d) Bacteria 15) All Living Things: Grow and _________ a) Develop b) Move c) Run d) Stop

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