Logic of a solution: *Organisms that live in marine biomes must be adapted to the salt in the water. Most of the water on the planet is salt water in the oceans. Organisms that live in marine biomes must be adapted to most of the water on the planet.*
*(A)*
The original question: *Organisms that live in marine biomes must be adapted to most of the what on the planet?
Options:
- (A) water
- (B) liquid
- (C) Light
- (D) Energy.
- (E) growth
- (F) Winter
- (G) energy
- (H) heat*

Line 1: *Most arthropods are insects. An insect is a small animal with six legs. Most arthropods are small animals with six legs.*
*(D)*
Line 2: *Arthropods are small animals with how many legs?
Options:
- (A) 2
- (B) millipede
- (C) Aves
- (D) six
- (E) long
- (F) one hundred
- (G) legs
- (H) two*

Logic of a solution: *Mollusks are a major food source for other organisms, including humans. Many organisms are omnivores with variable diets. Humans have variable diets and some consume mollusks as a major food source.*
*(F)*
The original question: *What are mollusks used for?
Options:
- (A) a herbivore diet
- (B) survival
- (C) a vegetarian diet
- (D) Converting waste.
- (E) Catch prey
- (F) an omnivore diet
- (G) an egg diet
- (H) animal transport*

Line 1: *Some viruses have an envelope of phospholipids and proteins. Phospholipases are the enzymes that degrade phospholipids . Some viruses have an envelope of enzymes and proteins.*
*(B)*
Line 2: *What might have an envelope of proteins and enzymes?
Options:
- (A) fur seals
- (B) some viruses
- (C) Most plants
- (D) a fish
- (E) animal transport
- (F) animals
- (G) chickens
- (H) it needs them*

Logic of a solution: *Some parasites kill their host, but most do not. Parasites are organisms which live off a host. Some organisms which live off a host kill it, but most do not.*
*(H)*
The original question: *Some what which live off a host kill it, but most do not?
Options:
- (A) offspring
- (B) pets
- (C) poisons
- (D) fungi
- (E) Leptospirosis
- (F) bacteria
- (G) animals
- (H) organisms*

Logic of a solution: *Most ecosystems get energy from sunlight. Life Living things interact in ecosystems. Living things interacting get energy from sunlight.*
*(G)*
The original question:
*Living things interacting get energy from what?
Options:
- (A) Light
- (B) flares
- (C) water
- (D) The Sun
- (E) wind
- (F) glucose
- (G) sunlight
- (H) food*