Q: What are the two hormones primarily responsible for maintaining homeostasis of blood glucose levels? Choices: - dopamine and melanin - anabolic and metabolic - insulin and estrogen - insulin and glucagon A:
insulin and glucagon

Q: Antibiotics can cure most infections that are caused by what? Choices: - bacterium - algae - bile - bacteria A:
bacteria

Q: Q: The vertebrate endoskeleton is made of bone and what tough, flexible tissue? Choices: - cuticle - collagen - synovial tissue - cartilage A:
A: cartilage

Question: Q: When the hydrogen is nearly used up, the star can fuse which element into heavier elements? Choices: - carbon - xenon - oxygen - helium A:
Answer: helium

*Question*
Q: Objects moving at different speeds, in different directions have different what? Choices: - protons - vibrations - electrons - velocities A:
**Answer**
velocities

*Question*
Q: What do we call scientists who study and forecast the weather? Choices: - Climate predictors - TV hosts - forecasters - meteorologists A:
**Answer**
meteorologists