Q: Q: What organ do mammals have that is exceptionally large for their body size? Choices: - lungs - heart - liver - brain A:
A: brain

Q: Q: What term describes weathering that occurs as water expands when it freezes, wedging apart rock? Choices: - chemical weathering - cleavage - erosion - mechanical weathering A:
A: mechanical weathering

Q: Q: Organelles whose membranes are specialized for aerobic respiration are called what? Choices: - vacuoles - mitosis - chloroplasts - mitochondria A:
A: mitochondria

Q: Q: What term refers to a change in species over time? Choices: - spontaneous change - generation - mutation - evolution A:
A: evolution