Q: Amphibians with what are more advanced than fish?
Options:
- (A) four eyes
- (B) sensory neurons
- (C) rapid expansion
- (D) layers of fat
- (E) four limbs
- (F) kinetic energy
- (G) tails
- (H) many limbs
A: So, my chain of thought: Amphibians are the first true tetrapods, or vertebrates with four limbs. All vertebrates more advanced than fish have four limbs, each with up to five fingers or toes. Amphibians with four limbs are more advanced than fish. The answer is (E).

Q: Some insets can use their antennae to detect what?
Options:
- (A) light waves
- (B) photons
- (C) Electrical energy
- (D) vibrating air
- (E) new lands
- (F) water sources
- (G) bending light rays
- (H) electricity
A: So, my chain of thought: Some insects can use their antennae to detect sound. When ears detect the vibrating air, signals are sent to the brain that are interpreted as sounds. Some insets can use their antennae to detect vibrating air. The answer is (D).

Q: How do many plants respond to days getting shorter in autumn?
Options:
- (A) Change colors
- (B) spread seed
- (C) Exfoliation
- (D) bioaerosols
- (E) grow a layer of fur
- (F) go dormant
- (G) adding heat
- (H) enlarge themselves
A:
So, my chain of thought: Many plants respond to the days growing shorter in the fall by going dormant. Autumn or Fall is already here. Many plants respond to the days growing shorter in the autumn by going dormant. The answer is (F).