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producers
organisms that produce their own food
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consumers
organisms that eat living producers and/or other living consumers
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herbivore
a consumers that eats producers exclusively
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carnivore
a consumer that eats only other consumers
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omnivore
a consumer that eats both plants and consumers
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basal metabolic rates
the minimum amount of energy required by the body every day
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from where does the energy in living organisms ultimately originate
the sun
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label each of the following as a consumer, producer, or decomposer
a. mushroom/decomposer b. evergreen bush/ producer c. worm/ consumer d. algae/ producer
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what is the name of the chemical process that converts food into energy
combustion
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what does combustion require
oxygen
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what does combustion produce
energy , carbon dioxide , water
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what are the three macronutrients
carbohydrates, fats, proteins
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what is the main thing that macronutrients provide
energy
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do we need to eat more macronutrients or micronutrients
macrontrients
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which is larger monosaccharide ,a disaccharide ,or a polysaccharide
polysaccharide
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is glucose a monosaccharide , disaccharide, or polysaccharide
monosaccharide
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what are two basic kinds of fats, how can u distinguise them
saturated fats and unsaturated fats . saturated at are solid at room temp but unsaturated fats are liquid at room temp
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what are proteins made of
long strings of amino acids
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in what order does body prefer to burn the macronutrients
carbohydrates first, then fats , then proteins
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if your cells are short on amino acids what happens to the amino acids that come from the protein u eat , what happens if your cells have plenty of amino acids
they are broken into amino acids and spread though the cells so that the cells can use them to manufacture the proteins they need. the protiens turn into carbohydrates and fats
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why is it important to eat either animal protein or a wide variety of plant protein
8 essential amino acids that your cell cant manufacture but need because without a steady supply of amino acids they wont be able to manufaction the proteins they too
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which type of animal has a larger BMR an endorthrmic animal or an ectothermic animal
endothermic because ectothermic creatures don't need to waste energy on body heat
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which type of animal is less active on a cold day an endothermic animal or an ectothermic
endorthermic
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what do calories measure
energy
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consider 2 men . while they slept they burn about the same calories. the first man needs significantly more calories than the second man in order to keep his weight constant. which man is less active during the day
the second man because he isn't taking in as much energy
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if jean needs to eat more calories than wanda in order to keep her weight constant can u immediately conclude jean is more active than wanda
no because they both have different BMR
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which has a higher BMR a pig or horse
pig because smaller the mammal the higher he BMR
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where does combustion of food take place
the cell
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why is the mitochondrion called the powerhouse of a cell
because it releases a majority of energy
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