Q: What contracts to move food throughout the gastrointestinal tract?    Choices:  - fluids  - nerves  - vessels  - muscles  A:
muscles
Q: When plant type alternates from generation to generation what is this called?    Choices:  - turbidity of generation  - differentiation of generation  - change in generation  - alternation of generation  A:
alternation of generation
Q: Q: Humans need lipids for many vital functions such as storing energy and forming what?    Choices:  - ionic bonds  - zygotes  - enzymes  - cell membranes  A:
A: cell membranes
Question: Q: In science, what is defined as the transfer of energy from a vibrating object in waves that travel through matter?    Choices:  - energy  - photons  - vibration  - sound  A:
Answer: sound
*Question*
Q: What type of shape does sodium chloride have?    Choices:  - round  - trianguler  - oblong  - cubic  A:
**Answer**
cubic
Q: What can be described in terms of size, density, and distribution?    Choices:  - habitats  - biomes  - dimensions  - populations  A:

populations