Q: What is the name of the symbiotic relationship in which one species benefits while the other species is not affected? Choices: - pollenation - differentiation - mutualism - commensalism A:
commensalism

Q: In angiosperms, flowers and fruits are adaptations essential for what process? Choices: - variation - death - photosynthesis - reproduction A:
reproduction

Q: Q: What is a simple machine that consists of a rope wrapped around a grooved wheel? Choices: - Inclined plane - Wheel and axle - Lever - a pulley A:
A: a pulley

Question: Q: When orders are sent from your brain to your legs, these signals pass through what type of cells? Choices: - mobility cells - molecules - skin cells - nerve cells A:
Answer: nerve cells

*Question*
Q: Because opposite charges attract, oppositely charged ions attract each other to form what? Choices: - nuclear bonds - particle bonds - soluble bonds - ionic bonds A:
**Answer**
ionic bonds

Q: Q: The intermolecular structure of what has spaces that are not present in liquid water? Choices: - distillate - condensation - vapor - ice A:
A: ice