Water molecules are fairly small, and their small size allows them to diffuse passively across a cell membrane. Which type of passive transport is this? A) Osmosis
B) Facilitated Diffusion
C) Endocytosis
D) Diffusion

Did you know that a blue wales tongue weighs more than an elephant?

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis

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.