Problem:OPTIONS:
- positive feedback loop
- upper feedback loop
- normal feedback loop
- negative feedback loop

Q: What regulates the thyroid gland in a body? A:
****
A: negative feedback loop

Problem:OPTIONS:
- hypoxia
- myopia
- micropsia
- hyperopia

Q: What is the scientific term for farsightedness? A:
****
A: hyperopia

Problem:OPTIONS:
- protection from pests
- improves taste
- Faster growth
- promotes productivity

Q: What is the advantage of selecting for certain genetic traits for crops? A:
****
A: promotes productivity

Problem:OPTIONS:
- roots
- leaves
- stems
- fruit

Q: What do some plants produce that protects dormant seeds and aids in their dispersal? A:
****
A:
fruit