Q: Growth hormones are derived from phospholipds and:
Options:
- (A) Energy.
- (B) cholesterol
- (C) animals
- (D) layers of fat
- (E) fur and fat
- (F) Chemical energy
- (G) kinetic energy
- (H) Energy
A: So, my chain of thought: Steroid hormones are made of lipids, such as phospholipids and cholesterol. Steroids are a kind of growth hormones. Growth hormones are derived from phospholipids and cholesterol. The answer is (B).

Q: What continues to grow throughout their lives? 
Options:
- (A) potatoes
- (B) Hemoglobin
- (C) tortoises
- (D) plastic roses.
- (E) Human teeth.
- (F) Lilies.
- (G) Silk daisies.
- (H) vegetation
A: So, my chain of thought: Most plants continue to grow throughout their lives. Lilies continually produce new bulbs, from which grow new plants. Lilies continue to grow throughout their lives. The answer is (F).

Q: Many plants go dormant during the 
Options:
- (A) heat or cold
- (B) earth's revolving
- (C) autumnal equinox
- (D) colder and wetter
- (E) It helps them survive
- (F) cloudy and rainy weather
- (G) Plant growth is reduced
- (H) fire conditions
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
So, my chain of thought: Many plants respond to the days growing shorter in the fall by going dormant. After the autumnal equinox, days gradually shorten in the Northern Hemisphere. Many plants respond to the autumnal equinox by going dormant. The answer is (C).