Solution idea: Viruses contain DNA but not much else. DNA is an abbreviation for deoxyribonucleic acid. Viruses contain deoxyribonucleic acid but not much else.
Q: What contains deoxyribonucleic acid but not much else.
Options:
- (A) minerals
- (B) bacteria
- (C) loose soil
- (D) pollen
- (E) viruses
- (F) anemia
- (G) PDAs
- (H) vertebrates
A: (E)

Solution idea: Plants are multicellular eukaryotes with cell walls made of cellulose. Flowers are plant organs of reproduction. Flowers are multicellular eukaryotes with cell walls made cellulose.
Q: What are flower cell walls made of?
Options:
- (A) cellular
- (B) lmestone
- (C) cellulitis
- (D) strong
- (E) cellulose
- (F) cellulite
- (G) heat energy
- (H) acetic acid
A: (E)

Solution idea: Behaviors can be learned through play. Games are fun to play. Behaviors can be learned through fun games.
Q: Behaviors can be learned through what?
Options:
- (A) competition
- (B) quitting
- (C) A computer
- (D) disappearing
- (E) changing sizes
- (F) exercise
- (G) animals
- (H) fun games
A: (H)

Solution idea: 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.
Q: 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
A: (H)