Line 1: *Most mollusks have shells. Mollusks are invertebrates and are no exception. Some invertebrates have shells.*
*(H)*
Line 2: *Some invertebrates may have which feature?
Options:
- (A) invertebrate
- (B) fat
- (C) gills
- (D) exception
- (E) three
- (F) mollusk
- (G) complex
- (H) shell*
Logic of a solution: *Viruses infect and live inside the cells of living organisms. If the virus is nonenveloped it is released by lysing the host cell. Infection by viruses leads to lysing and release.*
*(D)*
The original question: *Viruses first infect, then they release into the host by doing what?
Options:
- (A) Cooking
- (B) kill them
- (C) harm them
- (D) lysing
- (E) illness
- (F) fever
- (G) migrate
- (H) propagate*
Line 1: *Bone provides protection for soft tissues and internal organs. For the heart is the chief organ of the body and rules it. Bone provides protection for the heart.*
*(G)*
Line 2: *What does bone provide protection for in humans?
Options:
- (A) epidermal
- (B) during the day
- (C) fur and fat
- (D) health
- (E) layers of fat
- (F) staying warm
- (G) The heart.
- (H) When it's cold*
Logic of a solution: *Amphibians have permeable skin that easily absorbs substances from the environment. All frogs are amphibians. Frogs have permeable skin that easily absorb substances in the environment.*
*(E)*
The original question: *What has permeable skin?
Options:
- (A) goats
- (B) alligators
- (C) animals
- (D) apples
- (E) frogs
- (F) sharks
- (G) humans
- (H) snakes*
Line 1: *Cells are programmed to divide only a set number of times. Parts means something has been divided. Cells are programmed to split into parts only a set number of times.*
*(H)*
Line 2: *How many times can cells split into parts?
Options:
- (A) As many times as it likes
- (B) massive damage
- (C) No times
- (D) An infinite number of times
- (E) heat produced
- (F) during the day
- (G) Temperature changing
- (H) A set number of times*
Line 1: *Echinoderms lack a centralized nervous system. From animal experiments, it seems to be a central nervous system toxin. Echinoderms are resistant to some toxins.*
*(F)*
Line 2:
*Echinoderms are resistant to some:
Options:
- (A) starfish
- (B) enzymes
- (C) Toxicity
- (D) pesticide
- (E) parasites
- (F) toxins
- (G) boats
- (H) chemicals*