Logic of a solution: *Sweating reduces body heat. Sweat cools the body by evaporation, which removes heat from the body surface. Sweating cools the body by evaporation.*
*(E)*
The original question: *How does sweating cool the body?
Options:
- (A) Riding a bike
- (B) all liquids
- (C) layers of fat
- (D) staying warm
- (E) evaporation
- (F) Animal survival
- (G) matter vibrating
- (H) hydration*

Line 1: *Ants communicate with chemicals called pheromones. Honeypot ants are classified in the genus Myrmecocystus. Members of the Myrmecocystus genus communicate via chemicals called pheromones.*
*(E)*
Line 2: *Members of the myrmecocystus genus communicate via pheromones, which are a type of:
Options:
- (A) sense of smell
- (B) chemical receptor
- (C) organ
- (D) insects
- (E) chemical
- (F) sound
- (G) antennae
- (H) Vibrates*

Logic of a solution: *Fertilization of gametes produces a diploid zygote. Sexual reproduction requires formation of gametes, followed by fertilization. Sexual reproduction produces a diploid zygote.*
*(E)*
The original question: *What produces a diploid zygote?
Options:
- (A) salamanders
- (B) Plant reproduction
- (C) peachleaf willow
- (D) permineralization
- (E) sexual reproduction
- (F) Veins and arteries.
- (G) Chlorophyll
- (H) Most plants*

Line 1: *Viruses are not cells. Viruses Viruses are the simplest organisms known. Cells are not the simplest organisms.*
*(G)*
Line 2: *Are there organisms simpler than cells.
Options:
- (A) DNA
- (B) plankton
- (C) tiny
- (D) algae
- (E) amoeba
- (F) RNA
- (G) yes
- (H) food*

Logic of a solution: *Adult worms go through a major transformation to develop reproductive organs. Marine annelid worms have larvae called trochophores that swim about by means of cilia. Marine annelids go through a major transformation to be able to make larvae called trochophores that swim about by means of cilia.*
*(F)*
The original question: *Marine annelids can make a swimming larvae called what?
Options:
- (A) barnacles
- (B) survive
- (C) graptolites
- (D) epidermal
- (E) Something to move
- (F) a trochophore
- (G) fertile
- (H) permineralization*

Logic of a solution: *Viruses are usually considered to be nonliving. All matter, living and nonliving, is made up of atoms. Viruses are made up of atoms.*
*(F)*
The original question:
*Atoms make up many things, like what?
Options:
- (A) glass
- (B) matter
- (C) A computer
- (D) Fuel cells
- (E) copper
- (F) viruses
- (G) Light
- (H) Energy*