Line 1: *Cells that divide uncontrollably may form a tumor, or abnormal mass of cells. Tumor Tumors are masses of neoplastic origin. Cells that divide uncontrollably may form masses of neoplastic origin.*
*(B)*
Line 2: *Cells that divide uncontrollably may form _.
Options:
- (A) masses of eukaryotic origin.
- (B) masses of neoplastic origin
- (C) cause people to become sick.
- (D) Microscopic organisms
- (E) masses of prokaryotic origin.
- (F) masses of epithelial origin.
- (G) Veins and arteries.
- (H) Wither and die*

Logic of a solution: *Chordates have a complete digestive system and a closed circulatory system. All chordates are vertebrates. Vertebrates have a complete digestive system and a closed circulatory system.*
*(C)*
The original question: *What do all vertebrates have?
Options:
- (A) sensory neurons
- (B) characteristics
- (C) a complete digestive system
- (D) Veins and arteries.
- (E) sub-units of species
- (F) wings and feathers
- (G) gills
- (H) gizzard*

Line 1: *Cells are programmed to divide only a set number of times. All ViroMed cells are passaged a limited number of times. Cells are programmed to a limited number of divides.*
*(F)*
Line 2: *Cells are what to a limited number of divides?
Options:
- (A) increased
- (B) standardized
- (C) warm-blooded
- (D) critical organs
- (E) forced
- (F) programmed
- (G) white
- (H) fertile*

Logic of a solution: *Most fungi get organic compounds from dead organisms. Proteins are complex organic compounds. Most fungi get proteins from dead organisms.*
*(E)*
The original question: *Where do most fungi get their protein?
Options:
- (A) protein synthesis
- (B) loose soil
- (C) swamp vegetation
- (D) alveoli
- (E) dead organisms
- (F) by indirect light
- (G) glycopeptides
- (H) carbon dioxide*

Line 1: *Amphibians have permeable skin that easily absorbs substances from the environment. All frogs are amphibians. Frogs have permeable skin that easily absorbs substances from the environment.*
*(D)*
Line 2: *What feature allows frogs to absorb substances from the environment?
Options:
- (A) four limbs
- (B) poison dart frog
- (C) hydrate their cells
- (D) permeable skin
- (E) layers of fat
- (F) a cuticle
- (G) predators
- (H) double eyelid*

Line 1: *Plants that shed their leaves seasonally each year are called deciduous plants. Grapevines are woody deciduous plants. Grapevines shed their leaves seasonally each year.*
*(B)*
Line 2:
*What kind of plant would shed its leaves each year?
Options:
- (A) it needs them
- (B) grapevines
- (C) burning coal
- (D) warm-blooded
- (E) When it's cold
- (F) white
- (G) heat or cold
- (H) homogenous*