Q: Species of organisms that have permanently died out can also be called what?   A:
OPTIONS:
- succinct
- inherited
- occuring
- extinct
extinct
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Q: An rna codon reading guu encodes for what?   A:
OPTIONS:
- glycine
- carbon
- arginine
- valine
valine
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Q: What do you call the zone in a body of water where there is too little sunlight for photosynthesis?   A:
OPTIONS:
- semimetal zone
- Dark Zone
- observable zone
- aphotic zone
aphotic zone
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Q: Compared to free-floating bacteria, bacteria in biofilms often show increased resistance to what?   A:
OPTIONS:
- acid and detergents
- alcohol and detergents
- acid and antibiotics
- antibiotics and detergents

antibiotics and detergents
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