Ques:[What are beaks adapted to?
Options:
- (A) principals of aerodynamics
- (B) it keeps an organism warm
- (C) Animal survival
- (D) the environment
- (E) the color of the feathers
- (F) how the bird flies
- (G) food that is scavenged
- (H) the call the bird makes]
Ans:[Bird beaks are generally adapted for the food they eat. Birds eat food that they scavenge. Beaks are adapted for food that is scavenged.
(G)]

Ques:[Which of the following has the most complex nervous system?
Options:
- (A) animals
- (B) nerves
- (C) fur seals
- (D) humans
- (E) elephants
- (F) Jellyfish
- (G) bears
- (H) kalenchoes]
Ans:[Most invertebrates have a more complex nervous system. Jellyfish and insects are invertebrates. Jellyfish have a more complex nervous system.
(F)]

Ques:[What is used for energy in most cells?
Options:
- (A) sugar
- (B) sodium
- (C) muscle
- (D) maples
- (E) calcium
- (F) food
- (G) silicon
- (H) Energy]
Ans:[Glucose is used for energy by the cells of most organisms. Blood Sugar Glucose is sugar. Sugar is used for energy for the cells of most organisms.
(A)]

Ques:[Running water is better able to dissolve oxygen and nutrients than what?
Options:
- (A) pouring water
- (B) scarce resources
- (C) ocean water
- (D) river water
- (E) acetic acid
- (F) Veins and arteries.
- (G) an organism's body
- (H) stagnant water]
Ans:
[Running water is better able to dissolve oxygen and nutrients than standing water. If the water stands still and becomes stagnant, it can become a breeding ground for mosquitoes. Running water is better able to dissolve oxygen and nutrients than stagnant water.
(H)]