Principles of Biology II

Use this for “It has jointed legs, but eight of them, not six. Where does the key place it?”

Use this for “A shoot with 150 cm² of leaves loses 0.28, 0.30 and 0.32 mL over three 10-minute readings. What is its transpiration rate?”

Use this for “After a meal, blood glucose rises. Trace the loop that brings it back, and say whether it is negative or positive feedback.”

Use this for “A place gets 30 cm of rain a year, mostly as snow, and has six months below freezing. Which biome is it?”