necesito aprender esta weba :v
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Autotroph | an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
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| Heterotroph | an organism deriving its nutritional requirements from complex organic substances.
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| Chemoautotroph | an organism, typically a bacterium, that derives energy from the oxidation of inorganic compounds.
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| Photoautotroph | any organism that derives its energy for food synthesis from light and is capable of using carbon dioxide as its principal source of carbon
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| Calories | either of two units of heat energy.
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| Energy | the strength and vitality required for sustained physical or mental activity
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| Ingestion | the process of taking food, drink, or another substance into the body by swallowing or absorbing it.
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| Digestion | the process of breaking down food by mechanical and enzymatic action in the alimentary canal into substances that can be used by the body.
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| Egestion | is the discharge or expulsion of undigested material (food) from a cell in case of unicellular organisms, and from the digestive tract via the anus in case of multicellular organisms.
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| Roughage | fibrous indigestible material in vegetable foodstuffs that aids the passage of food and waste products through the gut.
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| Cellulose | an insoluble substance that is the main constituent of plant cell walls and of vegetable fibers such as cotton. It is a polysaccharide consisting of chains of glucose monomers.
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| Body mass index | a weight-to-height ratio, calculated by dividing one's weight in kilograms by the square of one's height in meters and used as an indicator of obesity and underweight.
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| Absorption | the process or action by which one thing absorbs or is absorbed by another.
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| Diffusion | the spreading of something more widely.
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| Villi | any of numerous minute elongated projections set closely together on a surface, typically increasing its surface area for the absorption of substances, in particular.
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| Constipation | a condition in which there is difficulty in emptying the bowels, usually associated with hardened feces.
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| Enzyme | a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction.
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| Macromolecules | a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer.
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| Bulimia | an emotional disorder involving distortion of body image and an obsessive desire to lose weight, in which bouts of extreme overeating are followed by depression and self-induced vomiting, purging, or fasting.
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| Anorexia | a lack or loss of appetite for food (as a medical condition).
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