Which of the following is NOT part of the appendicular skeleton? A) forearm
B) pectoral girdle
C) pelvic girdle
D) foot
E) ribs

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel

Discuss cell surface transport in the structure of constituents

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.