Q: Q: Mushrooms are an example of what type of organism, which includes beneficial and toxic specimens? A:

OPTIONS:
- spores
- bacteria
- seeds
- fungi

A: fungi

input: OPTIONS:
- ten
- two
- five
- three Now, answer this question: Q: How many chambers are in a reptiles heart? A:
A:
output: three

Q: What is the process of converting atmospheric nitrogen to ammonia called? A:

OPTIONS:
- atmospheric fixation
- ammonia fixation
- oral fixation
- nitrogen fixation

Answer: nitrogen fixation

Problem: OPTIONS:
- same selection
- artificial selection
- characteristic selection
- natural selection
Q: Q: What works by selecting for alleles that confer beneficial traits or behaviors, while selecting against those for deleterious qualities? A:
Answer: natural selection

Problem:OPTIONS:
- overpopulation
- accumulation
- evolution
- extinction

Q: Warming conditions and, perhaps, human activities contributed to what fate of many organisms of the pleistocene era? A:
****
A: extinction

Problem:OPTIONS:
- increases volume
- restores bacteria
- adds flavor
- removes unwanted substances

Q: What does water treatment do to water? A:
****
A:
removes unwanted substances