Line 1: *Corals form large colonies in shallow tropical water. Corals Corals are in the polyp stage. Something in the polyp stage can form large colonies in shallow tropical water.*
*(H)*
Line 2: *Something in the polyp stage can form large colonies in shallow tropical what?
Options:
- (A) mountains
- (B) ice
- (C) porous
- (D) CO 2
- (E) complex
- (F) colonies
- (G) wetland
- (H) water*

Logic of a solution: *Some parasites kill their host, but most do not. Parasites are organisms which live off a host. Some organisms which live off a host kill it, but most do not.*
*(H)*
The original question: *Some what which live off a host kill it, but most do not?
Options:
- (A) offspring
- (B) pets
- (C) poisons
- (D) fungi
- (E) Leptospirosis
- (F) bacteria
- (G) animals
- (H) organisms*

Line 1: *Most protists have motility. Protists Protists are single-celled organisms. Most single-celled organisms have motility.*
*(C)*
Line 2: *Most types of what have motility?
Options:
- (A) gastropod shells
- (B) members of their own species
- (C) single-celled organisms
- (D) Something to move
- (E) remains of prehistoric life
- (F) microbial fuel cells
- (G) microorganisms
- (H) share properties*

Logic of a solution: *Shivering occurs when many muscles contract a little bit all at once. Shivering causes muscle contractions to warm the body. The contractions caused by shivering generates warmth.*
*(G)*
The original question: *What does shivering generate?
Options:
- (A) kinetic
- (B) energy
- (C) friction
- (D) Energy.
- (E) expels heat
- (F) heat
- (G) warmth
- (H) rhythm*

Line 1: *Humans have collected and grown mushrooms for food for thousands of years. Mushrooms are an example of fungi. Humans have collected and grown fungi for food for thousands of years.*
*(B)*
Line 2: *Humans have collected and grown what for food for thousands of years?
Options:
- (A) plants
- (B) fungi
- (C) ferns
- (D) cheese
- (E) fungus
- (F) salmon
- (G) hamburgers
- (H) primates*

Line 1: *Evolution is a change in the characteristics of living things over time. Almost all physical characteristics are genetic traits, inherited from parents. Evolution is a change in the genetic traits of living things over time.*
*(F)*
Line 2:
*Evolution is a change in the genetic traits of living things over what?
Options:
- (A) universes
- (B) HIV
- (C) long
- (D) extinct organisms
- (E) dead things
- (F) time
- (G) H 2 O
- (H) years*