Problem:OPTIONS:
- bacteria
- yeast
- coral
- fungi

Q: What class of organisms help decompose matter to release nutrients and make nutritious food for other organisms ? A:
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A: fungi

Problem:OPTIONS:
- large feet
- the pouch
- the spine
- the tail

Q: What part of the kangaroo helps it balance when it leaps as well as when it sits? A:
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A: the tail

Problem:OPTIONS:
- endothermic vertebrates
- enterococci vertebrates
- arachnids vertebrates
- ectothermic vertebrates

Q: Which kind of vertebrates are amphibians? A:
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A: ectothermic vertebrates

Problem:OPTIONS:
- circle current
- emitting current
- stream current
- alternating current

Q: What is it called when currents keep reversing direction? A:
****
A:
alternating current