Pandit is an aging dog who has to be kept on a strict diet containing, among other things, 4.2 grams of protein and 8.8 grams of fat. two dog foods are available to pandit's owner: (i) food a has 6% protein and 20% fat, while (ii) food b has 6% protein and 7% fat. how many grams of food a should pandit's owner use in his diet?

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

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Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.