Line 1: *Cartilage is a tough tissue that contains a protein called collagen. Collagen contributes to meat toughness. A protein contributes to meat toughness.*
*(E)*
Line 2: *What can a certain protein affect in meat?
Options:
- (A) health
- (B) piousness
- (C) stamina
- (D) retina
- (E) toughness
- (F) liveliness
- (G) saltiness
- (H) Energy*

Logic of a solution: *Animals adapt to cold temperatures. Adaptation living things adapt to their environment. Animals are living things.*
*(G)*
The original question: *Animals are _ things.
Options:
- (A) insects
- (B) invisible
- (C) edible
- (D) impossible
- (E) protected
- (F) sparkly
- (G) living
- (H) an object*

Line 1: *Cancer is a disease that occurs when the cell cycle is no longer regulated. Mitosis is part of the cell cycle. Cancer is a disease that occurs when mitosis is no longer regulated.*
*(H)*
Line 2: *What disease is caused when mitosis is regulated?
Options:
- (A) tuburculosis
- (B) death
- (C) HIV
- (D) disease
- (E) illness
- (F) arthritis
- (G) Toxicity
- (H) cancer*

Logic of a solution: *Flatworms belong to the phylum Platyhelminthes. Flatworms Flatworms or Platyhelminthes include flukes, tapeworms, and turbellarians. Tapeworms belong to the phylum Platyhelminthes.*
*(E)*
The original question: *What kind of worm belongs to the phylum platyhelminthes?
Options:
- (A) homogenous
- (B) moves
- (C) dangerous
- (D) insects
- (E) tapeworm
- (F) parasites
- (G) white
- (H) graptolites*

Line 1: *Cells that divide uncontrollably may form a tumor, or abnormal mass of cells. For example, a fibroid is a tumor, a wart is a tumor, and cancers are tumors. Cells that divide uncontrollably may form a fibroid.*
*(F)*
Line 2: *When cells start to divide uncontrollablly, they may form a what?
Options:
- (A) anemia
- (B) tissue
- (C) fever
- (D) cell
- (E) organ
- (F) fibroid
- (G) acid rain
- (H) illness*

Line 1: *Viruses contain DNA but not much else. DNA DNA is deoxyribonucleic acid. Viruses contain deoxyribonucleic acid, but not much else.*
*(H)*
Line 2:
*What do viruses contain the most of?
Options:
- (A) Chemical energy
- (B) layers of fat
- (C) ribonucleic acid
- (D) cytoplasm
- (E) germs
- (F) harmful substances
- (G) deadly and devastating
- (H) deoxyribonucleic acid*