Calculate the Vapour pressure of a Solvent above a Solution Containing 83.99g of
molecular mass 195.62 per 1000g Water 20C
the vapour pressure of
Water at 20°c is 17.73mmHg​

Which organisms have pharyngeal arches that develop from all three germ layers and go through the same development stages as embryos? 1.bird 2.ladybug 3.starfish 4.snake

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.

What is the meaning of exocytosis ?