Line 1: *Dilation occurs when cell walls relax. Slowly leg muscles ease up and shoulders relax. Dilation occurs when cell walls ease up.*
*(C)*
Line 2: *What occurs when cell walls ease up?
Options:
- (A) root growth
- (B) air cools
- (C) dilation
- (D) sweating
- (E) Dehydration
- (F) recovery
- (G) Exfoliation
- (H) less water*

Logic of a solution: *Sperm had to swim from male to female reproductive organs for fertilization. If fertilization occurs, the fertilized eggs are now described as pre-embryos or zygotes. Sperm had to swim from male to female reproductive organs for zygotes to occur.*
*(B)*
The original question: *Sperm had to swim from what to what reproductive organs for zygotes to occur.
Options:
- (A) barnacles
- (B) male to female
- (C) animals
- (D) ocean water
- (E) male to male
- (F) mouth of rivers
- (G) female to male
- (H) female to female*

Line 1: *Most fungi get organic compounds from dead organisms. Fungi include yeasts, molds, and fleshy fungi. Molds get organic compound from dead organisms.*
*(A)*
Line 2: *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*

Logic of a solution: *Lipids may consist of fatty acids alone, or they may contain other molecules as well. Lipids Lipids are also composed of carbon, oxygen and hydrogen. Carbon, oxygen, and hydrogen can be combined with fatty acids.*
*(G)*
The original question: *What can fatty acids be combined with, in addition to carbon and oxygen?
Options:
- (A) Sodium
- (B) Energy.
- (C) glucose
- (D) Carbon Dioxide
- (E) Fuel cells
- (F) Uranium
- (G) Hydrogen
- (H) Energy*

Line 1: *Vertebrate chordates have a backbone. Because reptiles are vertebrates, they are chordates. Reptiles have backbones.*
*(E)*
Line 2: *What do reptiles have?
Options:
- (A) wild rides
- (B) nerves
- (C) toadies
- (D) Bodily water
- (E) backbones
- (F) four limbs
- (G) Leptospirosis
- (H) pipe*

Line 1: *Most modern gymnosperms are trees with woody trunks. Conifers are examples of gymnosperms. Conifers are trees with woody trunks.*
*(A)*
Line 2:
*What is a tree with a woody trunk?
Options:
- (A) conifer
- (B) orchids
- (C) plants
- (D) trees
- (E) less water
- (F) vines
- (G) lycophytes
- (H) ferns*