Problem: OPTIONS:
- perennial
- fibrous
- coniferous
- deciduous
Q: Q: What do you call trees that lose their leaves in the fall and grow new ones in the spring? A:
Answer: deciduous

Problem:OPTIONS:
- brains
- tails
- eggs
- shell

Q: Chitin is a substance that is found in what part of animals like beetles and lobsters? A:
****
A: shell

Q: Obligate anaerobes live and grow in the absence of what? A:
OPTIONS:
- molecular carbon
- molecular nitrogen
- atomic oxygen
- molecular oxygen
molecular oxygen

Q: Along with changes in the shape of the resonant cavity, growth of what organ in pubescent boys leads to the difference in predominant frequencies in speech between men and women? A:
OPTIONS:
- pharynx
- trachea
- esoophagus
- larynx

Answer: larynx

Question: Q: What is the term for going into a dormant state during the winter? A:
OPTIONS:
- gestation
- fermentation
- homeostasis
- hibernation
Answer: hibernation

input: OPTIONS:
- helix
- genome
- gene
- chromosome Now, answer this question: Q: Each what is made of two identical sister chromatids? A:
A:
output:
chromosome