Line 1: *Most protists have motility. Protists are the simplest of eukaryotes. The simplest eukaryotes have motility.*
*(C)*
Line 2: *What do simple eukaryotes have?
Options:
- (A) Energy
- (B) fur and fat
- (C) Motility
- (D) bioaerosols
- (E) four limbs
- (F) pollen
- (G) glucose
- (H) Energy.*
Logic of a solution: *Cancer is a disease that occurs when the cell cycle is no longer regulated. Brain tumors are one of the fastest growing cancers today. Brain tumors occur when the cell cycle is no longer regulated.*
*(E)*
The original question: *Brain tumors occur when what is no longer regulated?
Options:
- (A) fossil fuels
- (B) headaches
- (C) voltage
- (D) heat or cold
- (E) cell cycles
- (F) critical organs
- (G) cerebellum
- (H) migraines*
Line 1: *Glucose is used for energy by the cells of most organisms. Food is converted into glucose. Food is converted into the type of energy that most cells use.*
*(E)*
Line 2: *What gets converted into the type of energy that animal cells need?
Options:
- (A) photosynthesis
- (B) solar energy
- (C) sugar
- (D) UV
- (E) food
- (F) water
- (G) Energy
- (H) Light*
Logic of a solution: *Playing is just one of many ways that mammals and other animals learn how to behave. After all, seals are mammals just as humans are mammals. Playing is just one of many ways that humans and other animals learn how to behave.*
*(D)*
The original question: *What uses playing as just one of many ways to learn how to behave?
Options:
- (A) athletes
- (B) Toys
- (C) sharks
- (D) Humans
- (E) Video games
- (F) exercise
- (G) people
- (H) A.I*
Line 1: *Most people can survive only a few days without water. H20 Bottled water was generally consumed last year. Most people can survive only a few days without H20.*
*(H)*
Line 2: *Most people can survive only a few days without what?
Options:
- (A) h2o
- (B) urea
- (C) CO2
- (D) beds
- (E) houses
- (F) air
- (G) NaCl
- (H) H20*
Line 1: *Pollen consists of tiny grains that are the male gametes of plants. Haploid plants produce gametes. Pollen comes from haploid plants.*
*(D)*
Line 2:
*What kind of plants produce pollen?
Options:
- (A) white
- (B) insects
- (C) seeds
- (D) haploid
- (E) bees
- (F) swea
- (G) grass
- (H) Conifers*