Line 1: *Phytoplankton are bacteria and algae that use sunlight to make food. Planktonic plants are called phytoplankton. Planktonic plants are bacteria and algae that use sunlight to make food.*
*(E)*
Line 2: *What are bacteria and algae that use sunlight to make food?
Options:
- (A) birds
- (B) carnivorous organisms
- (C) Transfers energy
- (D) competing for resources
- (E) planktonic plants
- (F) By wind and rain
- (G) fish
- (H) Chemical energy*

Logic of a solution: *Insulin is a hormone that helps cells absorb sugar from the blood. Blood Sugar Glucose is sugar. Insulin is a hormone that helps cells absorb glucose from the blood.*
*(C)*
The original question: *Insulin is a hormone that helps absorb what from the blood?
Options:
- (A) hormones
- (B) blood cells
- (C) glucose
- (D) Energy
- (E) water
- (F) Energy.
- (G) Joules
- (H) hydration*

Line 1: *Mammals breathe with the help of a diaphragm. Common dolphins are mammals. Dolphins breathe with the help of a diaphragm.*
*(F)*
Line 2: *What does a diaphragm help a dolphin do?
Options:
- (A) swimming
- (B) rest
- (C) stay warm
- (D) smell
- (E) see
- (F) breathe
- (G) eat
- (H) survive*

Logic of a solution: *Mammals breathe with the help of a diaphragm. Hiccups are caused by involuntary spasms of the diaphragm, the muscle beneath the lungs. Mammals breathe with the help of a muscle below the lungs.*
*(C)*
The original question: *Mammals find breath through the action of what thing beneath their lungs?
Options:
- (A) matter
- (B) the skin
- (C) muscle
- (D) organ
- (E) lmestone
- (F) oxygen
- (G) gas
- (H) Epidermis*

Line 1: *Brain cells die quickly if their oxygen supply is cut off. Here, the lungs supply the blood with oxygen. Brain cells die quickly if their blood supply is cut off.*
*(C)*
Line 2: *What will die without a supply of blood?
Options:
- (A) plants
- (B) organs
- (C) brain cells
- (D) athletes
- (E) humans
- (F) species
- (G) critical organs
- (H) mushrooms*

Line 1: *Oxygen is essential for cellular respiration for all aerobic organisms. Oxygen, for example, is produced by plants. Plants are essential for cellular respiration for all aerobic organisms.*
*(F)*
Line 2:
*What is essential for cellular respiration for all aerobic organisms.
Options:
- (A) electron
- (B) glucose
- (C) Energy
- (D) Energy.
- (E) chemicals
- (F) Plants
- (G) fungi
- (H) bacteria*