[[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]]: What is caused by a lack of a hormone that helps cells absorb sugar from the blood?
Options:
- (A) glucose
- (B) cancer
- (C) resistance
- (D) diabetes
- (E) fever
- (F) serotonin
- (G) epilepsy
- (H) Dehydration
[[Ans]]: [Insulin is a hormone that helps cells absorb sugar from the blood. Diabetes is caused by a lack of insulin. Diabetes is caused by a lack of hormone that helps cells absorb sugar from the blood.]
[(D)]

[[Ques]]: Girls have used what to learn behaviors for generations?
Options:
- (A) Birds
- (B) trees
- (C) rainbows
- (D) sound
- (E) alleles
- (F) bows
- (G) nerves
- (H) dolls
[[Ans]]:
[Behaviors can be learned through play. Girls have played with dolls for generations. Girls have used dolls to learn behaviors for generations.]
[(H)]