Q: What celestial bodies are born in clouds of gas and dust called nebulas? Choices: - planets - comets - galaxies - stars A:
stars

Q: When animals use incubation, how do they generally give birth to their young? Choices: - copying - live - division - eggs A:
eggs

Q: Q: Which cells continue the digestion and absorption of nutrients and transport these nutrients to the lymphatic and circulatory systems? Choices: - myocyte - blood cells - neurons - epithelial cells A:
A: epithelial cells

Question: Q: Birds are known for flying south in the winter to avoid what? Choices: - solar radiation - rain - hurricanes - cold weather A:
Answer: cold weather

*Question*
Q: What protein is produced when a plasma cell is stimulated by antigens? Choices: - collagen - dystrophin - keratin - immunoglobulin A:
**Answer**
immunoglobulin

Q: Like the stem, what basic plant structure contains vascular bundles composed of xylem and phloem? Choices: - root - flower - bark - leaf A:
leaf