Logic of a solution: *Endospores are commonly found in soil and water. Endospore-forming bacteria produce a unique resting cell called an endospore . Bacterial resting cells are often found in soil and water.*
*(E)*
The original question: *A type of resting cell from what type of organism is often found in soil and water?
Options:
- (A) fungi
- (B) creature
- (C) organic thing
- (D) entity
- (E) bacteria
- (F) lmestone
- (G) Most plants
- (H) vegetation*

Line 1: *Behaviors that improve fitness increase through natural selection. Many organism behaviors have evolved through natural selection. An organism's fitness is a result of evolution.*
*(B)*
Line 2: *What is one of the facets of an organism's evolution?
Options:
- (A) resistance
- (B) fitness
- (C) properties
- (D) thirst
- (E) movement
- (F) swimming
- (G) offspring
- (H) recycling*

Logic of a solution: *Muscle contraction occurs when muscle fibers get shorter. Movement is based on the contraction of muscles. Movement happens when muscle fibers get shorter.*
*(F)*
The original question: *What do muscle fibers need to do to enable movement?
Options:
- (A) Bend
- (B) strength
- (C) exercise
- (D) ligt
- (E) It expands
- (F) shorten
- (G) Vibrates
- (H) stay warm*

Line 1: *Arteries generally carry oxygen-rich blood. Arteries carry blood away from the heart. Something that brings blood away from the heart carries oxygen-rich blood.*
*(H)*
Line 2: *What direction does something that has oxygen-rich blood go?
Options:
- (A) mouth of rivers
- (B) the body's largest organ
- (C) move to different locations
- (D) Earth orbiting the Sun
- (E) Move to another area
- (F) to move people
- (G) animal transport
- (H) Away from the heart*

Logic of a solution: *Fission takes place when an animal divides into two parts. Asexual reproduction is by fragmentation, budding, or fission. Asexual reproduction is when an animal divides into two parts.*
*(H)*
The original question: *What is it called when an animal divides into two parts?
Options:
- (A) limb amputation
- (B) The bending of a ray of light
- (C) Veins and arteries.
- (D) epidermis and dermis
- (E) the body's largest organ
- (F) Leptospirosis
- (G) refraction of light
- (H) asexual reproduction*

Logic of a solution: *Most fungi get organic compounds from dead organisms. Fungi include yeasts, molds, and fleshy fungi. Molds get organic compound from dead organisms.*
*(A)*
The original question:
*What do most molds get their organic compounds from?
Options:
- (A) dead organisms
- (B) particles in the air
- (C) fossil fuels
- (D) aqueous solution
- (E) burning coal
- (F) living organisms
- (G) swamp vegetation
- (H) sunlight*