Which diagram correctly displays the order of events during egg formation?
primary oocyte ® secondary oocyte ® meiosis I ® meiosis II ® ovum
ovum ® meiosis I ® primary oocyte ® meiosis II ® secondary oocyte
primary oocyte ® meiosis I ® secondary oocyte ® meiosis II ® ovum
primary oocyte ® meiosis I ® ovum ® meiosis II ® secondary oocyte

What is the best-known carbohydrate?

1. seamount a raised footwall block between normal fault creates this 2. syncline break between rocks where a hanging wall rises relative to a footwall 3. hot spring on rolling hills, this a dip between hills 4. volcanic neck created when a block with hanging walls slips down between normal faults 5. caldera underwater volcano that never reaches above sea level 6. horst natural hot water on earth's surface containing many minerals 7. graben underwater volcano whose top is eroded flat by waves 8. crater less than a mile in diameter; looks like a bowl at the top of a volcano 9. guyot magma that filled the central vent that remains after the volcano has eroded 10. reverse fault over 1 mile in diameter; looks like a bowl over a volcano

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.