Problem:OPTIONS:
- fungi
- q
- parasites
- PDAs
- rocks
- plants
- viruses
- bacteria

Fact 1: Viruses infect and live inside the cells of living organisms. Fact 2: Yeast is a living organism. Given the two facts above, what can infect and live inside the cells of yeast?
****
A: viruses

Problem:OPTIONS:
- Pollution
- Dehydration
- flooding
- kill them
- friction
- disease
- influenza
- waves

Fact 1: Wind causes erosion. Fact 2: Flooding is one of the results of erosion. Given the two facts above, what can extreme winds cause?
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A: flooding

Problem:OPTIONS:
- orchids
- mountains
- viruses
- humans
- sea squirts
- Most plants
- h2o
- insects

Fact 1: Tunicates reproduce sexually. Fact 2: Sea squirts are the best known tunicates. Given the two facts above, what reproduces sexually?
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A: sea squirts

Problem:OPTIONS:
- allow growth
- High rate
- four limbs
- complex
- glucose
- Energy.
- more abundant
- energy

Fact 1: Mammals generate heat mainly by keeping their metabolic rate high. Fact 2: Shrews have the highest metabolism of any mammal. Given the two facts above, what metabolic rate does a shrew have?
****
A:
High rate