Logic of a solution: *Fungi are the only organisms that can decompose wood. Nitrogen Deficiency Decomposing wood requires nitrogen. Fungi require nitrogen.*
*(H)*
The original question: *What do fungi require?
Options:
- (A) Energy
- (B) food
- (C) allow growth
- (D) warmth
- (E) Exfoliation
- (F) Bodily water
- (G) evaporation
- (H) nitrogen*

Line 1: *Ethologists usually study how animals behave in their natural environment. Environments are animals homes. Ethologists usually study how animals behave in the animals' homes.*
*(G)*
Line 2: *Ethologists study how animals behave in animals'
Options:
- (A) Summer
- (B) state
- (C) Birds
- (D) life
- (E) seasons
- (F) health
- (G) homes
- (H) fields*

Logic of a solution: *Flowers produce spores that develop into gametophytes. All gametophytes are haploid. Flowers produce spores that develop into haploid entities.*
*(G)*
The original question: *Flower spores eventually develop into an entity that is:
Options:
- (A) sperm
- (B) fertile
- (C) mammalian
- (D) ferns
- (E) fungi
- (F) development
- (G) haploid
- (H) plants*

Line 1: *Fertilization occurs when a sperm and an egg fuse to form a diploid zygote. Sperm and eggs are cells known as gametes. Fertilization occurs when gametes fuse to form a diploid zygote.*
*(D)*
Line 2: *What occurs when gametes fuse to form a diploid zygote?
Options:
- (A) permineralization
- (B) rapid expansion
- (C) competition
- (D) fertilization
- (E) photosynthesis
- (F) chromosomes
- (G) mutation
- (H) Leptospirosis*

Logic of a solution: *Mammals can also generate little bursts of heat by shivering. Shivering causes muscle contractions to warm the body. Mammals can also generate little bursts of heat through muscle contractions.*
*(G)*
The original question: *Mammals can also generate little bursts of heat through what?
Options:
- (A) Movement of an air mass
- (B) crackling
- (C) Veins and arteries.
- (D) electromagnetic energy
- (E) house
- (F) fire
- (G) muscle contractions
- (H) aerobic capacity*

Logic of a solution: *Mammals breathe with the help of a diaphragm. Common dolphins are mammals. Dolphins breathe with the help of a diaphragm.*
*(F)*
The original question:
*What does a diaphragm help a dolphin do?
Options:
- (A) swimming
- (B) rest
- (C) stay warm
- (D) smell
- (E) see
- (F) breathe
- (G) eat
- (H) survive*