Q: What term describes the number of items in a given area or volume? Choices: - alkalinity - fraction - density - concentration A:
concentration

Q: What is the term for the smallest particle of an element that still has the properties of that element? Choices: - nucleus - electron - neutron - atom A:
atom

Q: Q: What term is used to describe a solute that is water fearing? Choices: - claustrophobic - anti-hydral - hydrogenic - hydrophobic A:
A: hydrophobic

Question: Q: Birds are the most numerous type of what vertebrates? Choices: - arachnipod - amphipod - ornithopod - tetrapod A:
Answer: tetrapod

*Question*
Q: What type of matter in the spinal cord has the appearance of an ink-blot test and is subdivided into regions that are referred to as horns? Choices: - bright matter - wet matter - dark matter - gray matter A:
**Answer**
gray matter

Q: Q: Preserved remains or traces of organisms that lived in the past are known as what? Choices: - archives - deposits - skulls - fossils A:
A: fossils