Q: All living things maintain a stable internal environment through what process? Choices: - consciousness - alertness - maintenance - homeostasis A:
homeostasis

Q: What contains most of the structures found in skin? Choices: - epidermis - subcutaneous layer - basal layer - dermis A:
dermis

Q: Q: More than half of all known organisms are what? Choices: - mammals - enzymes - spiders - insects A:
A: insects

Question: Q: A muscle can return to its original length when relaxed due to a quality of muscle tissue called what? Choices: - reach - viscosity - moisture - elasticity A:
Answer: elasticity

*Question*
Q: The carbon atoms are bonded together, with each carbon also being bonded to two of what kind of atoms? Choices: - calcium - helium - ions - hydrogen A:
**Answer**
hydrogen

*Question*
Q: Unlike prokaryotes, eukaryotes have what? Choices: - cell membrane - golgi apparatus - cell wall - cell nucleus A:
**Answer**
cell nucleus