Q: All redwoods have a characteristic life cycle that includes what?
Options:
- (A) seed dispersal
- (B) alternation stations
- (C) biological diversity
- (D) The flowers are pollinated
- (E) sub-units of species
- (F) alternation of generations
- (G) alternation alteration
- (H) alternation of genetics
A: So, my chain of thought: All plants have a characteristic life cycle that includes alternation of generations. All trees are plants, including redwoods. All redwoods have a characteristic life cycle that includes alternation of generations. The answer is (F).

Q: Organisms in which class have beaks that are generally adapted for the food they eat?
Options:
- (A) apples
- (B) Mammalia
- (C) koalas
- (D) voles
- (E) Agnatha
- (F) Aves
- (G) Reptilia
- (H) edible
A: So, my chain of thought: Bird beaks are generally adapted for the food they eat. All birds are placed in the Class Aves. Organisms in the class Aves have beaks that are generally adapted for the food they eat. The answer is (F).

Q: What is critical?
Options:
- (A) Balance
- (B) oxygen
- (C) recovery
- (D) Electrical
- (E) heat
- (F) sun's heat
- (G) stay warm
- (H) stamina
A:
So, my chain of thought: Balance is the ability to sense and maintain body position. Body position is critical. Balance is critical. The answer is (A).