One month ago, a teenage girl stopped eating animal derived foods and now only consumes vegetables and fruits. She is now experiencing other a cold and/or an infection. This is probably due to inadequate protein intake for:.
a) synthesizing antibodies.
b) maintaining blood pH balance.
c) maintaining tissue fluid balance
d) proper hormone regulation

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above

Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%