Entamoeba histolytica is an amoebic protozoan which is responsible for a disease known as amoebic . Cysts formed by Entamoeba histolytica can live outside the human body and may contaminate water or be carried by
. Symptoms include
which can lead to death if not treated

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.