A clinical laboratory that identifies the bacterial agents that cause human disease would refer to Bergey's Manual of Bacteriology for guidance in identification.

Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above

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.

This connective tissue consists of large round densely packed cells with the nucleus pushed to one side.