Q: Neurologists are physicians who specialize in disorders of what system? Choices: - digestive system - musculoskeletal system - circulatory system - nervous system A:
nervous system

Q: How is oxygen transferred into the bloodstream? Choices: - mean diffusion - hard diffusion - brain diffusion - simple diffusion A:
simple diffusion

Q: Q: Morphological and molecular data indicate that wings evolved how many times in insects? Choices: - many times - twice - never - once A:
A: once

Question: Q: What do you call the transfer of thermal energy? Choices: - formation - humidity - precipitation - heat A:
Answer: heat

*Question*
Q: What group of animals has permeable skin that makes them vulnerable to pollution? Choices: - fish - mammals - reptiles - amphibians A:
**Answer**
amphibians

Q: At high pressures, how are the molecules of a gas crowded? Choices: - few together - further apart - small together - closer together A:
closer together