As other endortherms, mammals have a great demand for oxygen to sustain their higher metabolic rate. mammalian lungs are apcked with millions of tiny sacs clustered like grapes called alveoli. which aspect of fick's law did mammals optimize by having multiple alveoli?

the correct answer is: d. the saltine and pretzel are made of flour, yeast, and baking soda, and salt. the pecan contains no flour but it does contain fats. the pecan is a nut that can be consumed as a healthy snack. first of all, pecans are a source of fat (monounsaturated fat), but they provide less fat than some other nuts. pecans are a rich source of dietary fiber, manganese magnesium, phosphorus, thiamin, vitamin e…

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explanation:

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"do a testcross with a homozygous recessive plant."

digestion

it excretes wastes