Problem: OPTIONS:
- 17
- 2
- 13
- 23
Q: Q: How many pairs of chromosomes are there? A:
Answer: 23

Problem:OPTIONS:
- diploid chromosomes
- sister chromatids
- reflection chromosomes
- sex chromosomes

Q: The gender of a baby is determined by what special pair of chromosomes? A:
****
A: sex chromosomes

Q: How does the fungus benefit from the photosynthesizer? A:
OPTIONS:
- shade
- protection from chemicals
- supply of carbon dioxide
- supply of food
supply of food

Q: What term describes the sequential appearance and disappearance of species in a community over time after a severe disturbance? A:
OPTIONS:
- supression
- generational replacement
- pattern
- succession

Answer: succession

Question: Q: What is the long, narrow tube that carries food from the pharynx to the stomach by the mechanism of peristalsis? A:
OPTIONS:
- gallbladder
- liver
- spinal cord
- esophagus
Answer: esophagus

input: OPTIONS:
- suicide
- automobile accidents
- lung cancer
- heart disease Now, answer this question: Q: What is the leading cause of death in the united states? A:
A:
output:
heart disease