Q: Internal functions are coordinated and regulated so that the internal environment of a living thing is relatively constant, referred to as what? Choices: - stabilizer - hypothesis - homogenesis - homeostasis A:
homeostasis

Q: How does the core of the sun radiate energy? Choices: - nuclear fission - carbon radiation - electrical radiation - nuclear fusion A:
nuclear fusion

Q: Q: What force pulls objects toward the center of the earth? Choices: - kinetic energy - centrifugal force - momentum - gravity A:
A: gravity

Question: Q: What is the name of the thin layer that acts as a boundary between the stratosphere and the mesosphere? Choices: - spirogyra - ozone layer - spicule - stratopause A:
Answer: stratopause

*Question*
Q: Mutualism is a symbiotic relationship that has what effect on both species involved? Choices: - disadvantageous - harmful - destructive - beneficial A:
**Answer**
beneficial

Q: Q: What are large glaciers that cover a larger area than just a valley? Choices: - icebergs - glacial continents - ice floes - ice caps A:
A: ice caps