Line 1: *Viruses are not cells. Influenza viruses mutate. Influenza is not a cell.*
*(E)*
Line 2: *What is not a cell?
Options:
- (A) all matter
- (B) layers of fat
- (C) illness
- (D) bacteria
- (E) influenza
- (F) Leptospirosis
- (G) an object
- (H) hydrocarbons*

Logic of a solution: *Coral reefs provide food and shelter to many ocean organisms. Coral reefs are formed from coral skeletons. Something formed from skeletons provide food and shelter to many ocean organisms.*
*(B)*
The original question: *What provides food and shelter to many ocean organisms?
Options:
- (A) It helps them survive
- (B) Something formed from skeleton
- (C) sedimentary rocks
- (D) important habitats
- (E) Something with a head, thorax, and abdomen
- (F) it protects them
- (G) gastropod shells
- (H) in their habitats*

Line 1: *Balance is the ability to sense and maintain body position. Balance is important in skiing and balance is important in life. In order to ski, it is necessary to maintain body position.*
*(G)*
Line 2: *What can maintaining body position help you to do?
Options:
- (A) work
- (B) play
- (C) move
- (D) live
- (E) rest
- (F) Lift
- (G) ski
- (H) fly*

Logic of a solution: *All animals are heterotrophs. Proteins are an essential nutrient for heterotrophs . Proteins are an essential nutrient for animals.*
*(H)*
The original question: *_ are an essential nutrient for animals.
Options:
- (A) Energy
- (B) Chemicals
- (C) trees
- (D) potatoes
- (E) Acids
- (F) allow growth
- (G) store
- (H) Proteins*

Line 1: *Animals may compete for territory, water, food, or mates. Mating Ducks usually look for a mate or partner in winter. Animals may compete for territory, water, food, or partners.*
*(G)*
Line 2: *Animals can compete for territory, water, food, or what?
Options:
- (A) environment
- (B) bosses
- (C) transportation
- (D) vegetation
- (E) plants
- (F) Energy.
- (G) partners
- (H) energy*

Line 1: *Some viruses live in a dormant state inside the body. After an episode of chickenpox, the virus becomes dormant in the body. Chicken pox can live in an inactive state.*
*(E)*
Line 2:
*What is an example of an entity that can live on in a completely inactive state?
Options:
- (A) an object
- (B) sloths
- (C) hibernating bears
- (D) Conifers
- (E) chickenpox
- (F) barnacles
- (G) a fish
- (H) mammals*