*Question*
Q: The three greatest proximate threats to biodiversity are habitat loss, overharvesting, and introduction of what? Choices: - solar radiation - carbon dioxide - carbon monoxide - exotic species A:
**Answer**
exotic species

*Question*
Q: The cells of most eukaryotic and many prokaryotic organisms can carry out what type of respiration? Choices: - anaerobic - kinetic - energetic - aerobic A:
**Answer**
aerobic

*Question*
Q: Alkenes with the same atoms but different shapes are called what? Choices: - alcohols - monomers - isotopes - isomers A:
**Answer**
isomers

*Question*
Q: Chromosomal alterations are mutations that change what? Choices: - Skeleton Structure - detected structure - discovery structure - chromosome structure A:
**Answer**
chromosome structure