Line 1: *Flowers produce spores that develop into gametophytes. Another interesting flower is the Orchid flower. Orchids produce spores that develop into gametophytes.*
*(E)*
Line 2: *What produces spores that develop into gametophytes?
Options:
- (A) fungi
- (B) cacti
- (C) plants
- (D) ferns
- (E) Orchids
- (F) PDAs
- (G) barnacles
- (H) bushes*
Logic of a solution: *Phytoplankton are bacteria and algae that use sunlight to make food. Plants have a very clever way of using the energy from sunlight to make their food. Phytoplankton have a clever way of making food from sunlight energy.*
*(A)*
The original question: *Phytoplankton have a clever way of making food from what?
Options:
- (A) sunlight energy
- (B) water energy
- (C) heat energy
- (D) heat produced
- (E) chemical energy
- (F) mechanical energy
- (G) organic matter
- (H) refraction of light*
Line 1: *Animals use saturated fatty acids to store energy. Dolphins are a very unique animal. Dolphins use saturated fatty acids to store energy.*
*(A)*
Line 2: *What do dolphins use to store energy?
Options:
- (A) saturated fatty acids
- (B) thermal insulators
- (C) kinetic energy
- (D) evaporation
- (E) Something coming from a gland
- (F) objects that have mass
- (G) it helps plants in growing
- (H) Positive charges*
Logic of a solution: *Running water is better able to dissolve oxygen and nutrients than standing water. Large, warm rivers hold populations but few occur in cold running water. Oxygen and nutrients dissolve easily in rivers.*
*(C)*
The original question: *Rivers easily dissolve nutrients and:
Options:
- (A) bacteria
- (B) chemicals
- (C) oxygen
- (D) sodium
- (E) vitamin C
- (F) glucose
- (G) a solute
- (H) a hazard*
Line 1: *Air pollution harms the respiratory and circulatory systems. Air pollution is caused by lots of different pollutants. Several different pollutants harm the respiratory and circulatory systems.*
*(D)*
Line 2: *What systems are pollutants bad for?
Options:
- (A) destroying life
- (B) classification system
- (C) an organism's body
- (D) respiratory and circulatory
- (E) animal habitats
- (F) ambulatory systems
- (G) social security system
- (H) the environment*
Line 1: *Cells vary in size as well as shape, but all cells are very small. An embryo is so small that it requires a microscope in order to be seen. A cell requires a microscope in order to be seen.*
*(B)*
Line 2:
*What requires a microscope in order to be seen?
Options:
- (A) fungi
- (B) cells
- (C) mildew
- (D) gasoline
- (E) fungus
- (F) matter
- (G) telescopes
- (H) sunlight*