Line 1: *Populations of viruses do not grow through cell division because they are not cells. Where most viruses are DNA, HIV is an RNA virus. Populations of HIV do not grow through cell division because they are not cells.*
*(F)*
Line 2: *What does not grow through cell division?
Options:
- (A) p53
- (B) AIDS
- (C) host
- (D) DDT
- (E) lung
- (F) HIV
- (G) corn
- (H) HPV*

Logic of a solution: *Roundworms make up the phylum Nematoda. Also, nematoda and rotifera are important groups contributing to soils. Roundworms contribute to soils.*
*(D)*
The original question: *_ contribute to soils.
Options:
- (A) Sediment
- (B) Aphids
- (C) cacti
- (D) Roundworms
- (E) Exfoliation
- (F) Amphibians
- (G) Ringworms
- (H) rainfall*

Line 1: *Chemical bonds form when substances react with one another. All substances are composed of molecules. Chemical bonds form when molecules react with one another.*
*(E)*
Line 2: *What forms when molecules react with one another?
Options:
- (A) biochemistry
- (B) Chemical energy
- (C) Energy.
- (D) atoms
- (E) chemical bonds
- (F) elements
- (G) flow of electrons
- (H) Organic compounds*

Logic of a solution: *Ribosomes are small organelles where proteins are made. Many antibiotics affect the ribosome. Many antibiotics affect the small organelles where proteins are made.*
*(E)*
The original question: *What can affect the small organelles where proteins are made?
Options:
- (A) Allergies
- (B) Smoking
- (C) harm them
- (D) pizza
- (E) antibiotics
- (F) adding heat
- (G) beef
- (H) carbohydrates*

Line 1: *Evaporation of sweat uses energy, and the energy comes from body heat. Sweat glands pump perspiration through pores. Perspiration comes through pores and is evaporated by energy from body heat.*
*(F)*
Line 2: *Where does the energy to evaporate perspiration come from?
Options:
- (A) heat produced
- (B) The Sun
- (C) goosebumps
- (D) electrical energy
- (E) kinetic force
- (F) body heat
- (G) heat energy
- (H) energy*

Line 1: *Viruses are not cells. Viruses include the Tobacco Mosaic Virus. Tobacco mosaic is not made up of cells.*
*(C)*
Line 2:
*What is not made up of cells?
Options:
- (A) an object
- (B) Veins and arteries.
- (C) Tobacco mosaic
- (D) an organism's body
- (E) Conifers
- (F) sensory neurons
- (G) layers of fat
- (H) the digestive system*