Which of the following is true of pathogens? a. pathogens cause noninfectious diseases. b. pathogens are not spread from person to person. c. pathogens are larger organisms such as plants and animals. d. pathogens can be found in saliva and mucus drops from sneezes.

Where can dna be found in a prokaryotic cell

This group of organisms perform the process of ammonifcation. a. herbivores b. decomposers c. carnivores c. plants

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.