Line 1: *Wings are part of the exoskeleton and attached to the thorax. Spiracles are located on the abdomen and thorax. Wings and spiracles share a location.*
*(A)*
Line 2: *What shares a location with spiracles?
Options:
- (A) wings
- (B) pistons
- (C) white
- (D) bats
- (E) animals
- (F) insects
- (G) pollen
- (H) ovaries*

Logic of a solution: *Adult sponges are sessile. Sessile Attached permanently, immobile. Adult sponges are immobile.*
*(F)*
The original question: *Which is immobile?
Options:
- (A) adult starfish
- (B) all matter
- (C) adult goldfish
- (D) gastropod shells
- (E) tadpoles
- (F) adult sponges
- (G) an object
- (H) an organism's body*

Line 1: *Hydrogen bonds cause water to expand when it freezes. Water is everywhere H20. Hydrogen bonds cause H20 to expand when it freezes.*
*(E)*
Line 2: *Hydrogen bonds cause what to expand when it freezes?
Options:
- (A) salt
- (B) mercury
- (C) NaCl
- (D) lake
- (E) H20
- (F) rain
- (G) h2o
- (H) oxygen*

Logic of a solution: *Male dogs use pheromones in urine to mark their territory. During Urination Dog's urine is used as a scent marker for other dogs. Male dogs mark their territory with a scent marker.*
*(E)*
The original question: *How do male dogs mark their territory?
Options:
- (A) Chemical energy
- (B) Hot dog eating contest
- (C) Adequate signage
- (D) with their fur
- (E) Scent marker
- (F) heat produced
- (G) mate with females
- (H) Paint*

Line 1: *Bone provides protection for soft tissues and internal organs. Bone is the substance that forms the skeleton of the body. The skeleton provides protection for soft tissues and internal organs.*
*(H)*
Line 2: *What provides protection for soft tissues and internal organs?
Options:
- (A) fur and fat
- (B) eye color
- (C) peachleaf willow
- (D) synapses
- (E) a cuticle
- (F) layers of fat
- (G) nerves
- (H) the skeleton*

Line 1: *Excretion is the process of removing wastes and excess water from the body. Solid waste is called feces. Excretion is the process of removing feces and excess water from the body.*
*(D)*
Line 2:
*What is the process of removing feces and excess water from the human body called?
Options:
- (A) recycling
- (B) salivation
- (C) waste production
- (D) excretion
- (E) Exfoliation
- (F) perspiration
- (G) Deposition.
- (H) Deposition*