*Question*
Q: The job of the nucleolus is to build what? Choices: - chromosomes - electrons - cells - ribosomes A:
**Answer**
ribosomes

*Question*
Q: What ultimately results in the cycling of nutrients in ecosystems? Choices: - molecules between organisms - chemical bonds - digestion - interactions between organisms A:
**Answer**
interactions between organisms

*Question*
Q: Nonmetal structures contain what type of bonds? Choices: - prevalent - polymeric - gravitational - covalent A:
**Answer**
covalent

*Question*
Q: Triploblasts include a broad range of animals, from flatworms to arthropods to what? Choices: - cells - mammals - invertebrates - vertebrates A:
**Answer**
vertebrates