How can you predict which way water moves across a cell membrane? a) water will move from high to low concentration
b) there is no way to predict the movement of water
c) water will move from low to high concentration

Albinism is an inherited genetic disorder. explain what it is meant by inherited genetic disorder

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.

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.