Q: What kind of solids have particles that are arranged in a regular repeating pattern? Choices: - carbon-based solids - salts - metabolic solids - crystalline solids A:
crystalline solids

Q: What lengths are positive for converging lens and negative for diverging lens? Choices: - light lengths - wavelengths - differential lengths - focal lengths A:
focal lengths

Q: Q: Which kind of vertebrates are amphibians? Choices: - endothermic vertebrates - enterococci vertebrates - arachnids vertebrates - ectothermic vertebrates A:
A: ectothermic vertebrates

Question: Q: When the ventricles begin to contract, pressure within the ventricles rises and blood flows toward the area of lowest pressure, which is initially in the atria. this backflow causes the cusps of the tricuspid and mitral (bicuspid) valves to close. these valves are tied down to the papillary muscles by these? Choices: - chollphyide tendineae - choanocyte tendineae - photoreactive tendineae - chordae tendineae A:
Answer: chordae tendineae

*Question*
Q: The skin plays an important role in preventing the escape of what commonly found liquid from the body? Choices: - hormones - stomach acid - urine - water A:
**Answer**
water

Q: Overharvesting is a serious threat particularly to which species? Choices: - aerial species - amphibious species - terrestrial species - aquatic species A:
aquatic species