Q: What is the name for a substance that can be used to follow the pathway of that substance through some structure? Choices: - gel - tracker - solution - tracer A:
tracer

Q: What is the term for species evolving together? Choices: - conjuration - interconnection - specmutation - coevolution A:
coevolution

Q: Q: What kind of bonds, where electrons are transferred rather than shared, are considered the ultimate in polarity? Choices: - covalent bonds - soluble bonds - magnetic bonds - ionic bonds A:
A: ionic bonds

Question: Q: Which type of plankton make food via photosynthesis? Choices: - dinoflagellates - common plankton - zooplankton - phytoplankton A:
Answer: phytoplankton

*Question*
Q: Lipids are available to the body from how many sources? Choices: - one - five - two - three A:
**Answer**
three

(Q).
Q: What do we call zeros that appear after nonzero digits? Choices: - left-end zeros - significant digits - placeholders - right-end zeros A:
(A).
right-end zeros