input with options: Q: Out of the four ways that allele frequencies of a population can be changed, which way is caused by individuals leaving or joining the population? A:
OPTIONS:
- Allopatric speciation
- spontaneous mutation
- mass extinction
- gene flow
output: gene flow

Q: Q: The enormous number of species is due to the tremendous variety of what? A:

OPTIONS:
- tissues
- sounds
- measurements
- environments

A: environments

input: OPTIONS:
- metabolytes
- chlorophyll
- hydrogen
- energy Now, answer this question: Q: After citric acid forms, it goes through a series of reactions that release what, which is then captured in special molecules? A:
A:
output: energy

Q: What traits do the sponge and tarantula share? A:

OPTIONS:
- number of eyes
- number of legs
- lifespan
- lack of backbone

Answer: lack of backbone

Problem: OPTIONS:
- 74
- 9
- 36
- 18
Q: Q: The atomic number of tungsten is 74. therefore, in a neutral atom of tungsten, there are 74 electrons. the atomic number of argon is 18. therefore, in a neutral atom of argon, there are how many electrons? A:
Answer: 18

Q: What is the purpose of utilizing careful farming practices such as rotating crops or planting nutrient rich crops? A:

OPTIONS:
- improve sediment quality
- improve photosynthesis quality
- improve soil texture
- improve soil quality

Answer:
improve soil quality