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19 Cards in this Set
- Front
- Back
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Cells
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The smallest functional and structural unit of all living organisms
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Stimulus
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A change that affects the activity of an organism. examples: chemicals, gravity, light, sound, or hunger.
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Homeostasis
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The maintenance of a constant internal state in a changing environment
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Sexual Reproduction
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Reproduction in which the sex cells from two parents unite producing offspring that share traits from both parents
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Asexual Reproduction
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Reproduction that does not involve the union of sex cells and in which one parent produces offspring identical to itself
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DNA
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Carries instructions for the organism's traits. Passed down from parents to offspring.
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Metabolism
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The sum of all of the activities that the organism performs
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Producer
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An organism that can make its own food by using energy from its surroundings
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Consumer
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An organism that eats other organisms or organic matter
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Decomposer
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An organism that gets energy by breaking down the remains of dead organisms or animals wastes and consuming or absorbing the nutrients
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Protein
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A molecule that is made up of amino acids and that is needed to build and repair body structures and to regulate processes in the body
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Carbohydrate
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A class of energy-giving molecule that includes sugars, starches, and fiber
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Lipid
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A fat molecule that does not dissolve in water; some store energy and others form the membranes of cells.
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ATP
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Adenosine Triphosphate. a molecule that acts as the main energy source for cell processes
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Nucleic Acid
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A molecule made up of subunits called nucleotides
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Water |
Necessity of life that makes up approximately 70% of your cells and the cells of almost all living things. |
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Air |
Necessity of life that is a mixture of several gases, including oxygen, nitrogen, and carbon dioxide |
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A Place to Live |
Necessity of life that has all of the things living things need to survive |
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Food |
Necessity of life that gives organisms energy and the raw materials needed to carry out life processes |
