*Question*
If if a person falls ill it may be due to a pathogen, then if a person does what it may be due to a pathogen? Answer choices: - is born - apoptosis - contracting - smoking - falls ill - symptoms - feels well - is happy
**Answer**
falls ill

*Question*
If animals in the frog family are the first true tetrapods, then the first tetrapods were? Answer choices: - major threat to health - remains of prehistoric life - in the frog family - running and lifting - competing for resources - warm-blooded - objects that have mass - graptolites
**Answer**
in the frog family

*Question*
If abalones are a major food source for humans, then what is a major food source for humans? Answer choices: - honeybees - poison - abalones - carbon monoxide - rabbit - trees - insects - stomach
**Answer**
abalones

*Question*
If forests naturally keep carbon, then forests naturally keep what? Answer choices: - ants - fish - carbon - ferns - firs - rainfall - heat - protected
**Answer**
carbon