Logic of a solution: *Plants are multicellular eukaryotes with cell walls made of cellulose. Basically, fiber is cellulose . Plants cell walls are made of fiber.*
*(A)*
The original question: *Plants cell walls are made of
Options:
- (A) fiber
- (B) keratin
- (C) alveoli
- (D) cations
- (E) matter
- (F) CO 2
- (G) porous
- (H) Cane.*

Line 1: *Chemical bonds form when substances react with one another. Solvents are substances, usually liquid, that dissolve other substances. When one solvent reacts with another, chemical bonds form.*
*(C)*
Line 2: *What is it called when one solvent combines with another, what forms?
Options:
- (A) chemical pair
- (B) permineralization
- (C) chemical bonds
- (D) a solute
- (E) chemical duo
- (F) substance bonds
- (G) Condensation
- (H) kinetic energy*

Logic of a solution: *Courtship is behavior that is intended to attract a mate. Almost all animals display colors to attract a mate or to scare off a predator. Courtship can be manifested by displays of color.*
*(D)*
The original question: *For animals, displays of color can be viewed as:
Options:
- (A) spectrum
- (B) prudishness
- (C) rainbow
- (D) courtship
- (E) positive
- (F) harm them
- (G) produce light
- (H) Movement*

Line 1: *Mammals breathe with the help of a diaphragm. Belly breathing uses the diaphragm, which helps relax the lungs. Mammals breathe by relaxing the lungs.*
*(A)*
Line 2: *What breathes by relaxing the lungs?
Options:
- (A) mammals
- (B) tortoises
- (C) dogs
- (D) chickens
- (E) ducks
- (F) humans
- (G) crocodiles
- (H) animals*

Logic of a solution: *Hair is a fiber that is found only in mammals. All mammals have fur or hair. Fur is a fiber that is found only in mammals.*
*(E)*
The original question: *Fur is a fiber that is found only on what kind of animal?
Options:
- (A) animals
- (B) reptiles
- (C) bird
- (D) humans
- (E) mammals
- (F) insects
- (G) goats
- (H) Animal fur*

Logic of a solution: *Most protists have motility. Protists are the simplest of eukaryotes. The simplest eukaryotes have motility.*
*(C)*
The original question:
*What do simple eukaryotes have?
Options:
- (A) Energy
- (B) fur and fat
- (C) Motility
- (D) bioaerosols
- (E) four limbs
- (F) pollen
- (G) glucose
- (H) Energy.*