Q: What are the three types of muscle tissue in the body?    Choices:  - spongy, cardiac, skeletal  - topography , cardiac , smooth  - proliferating , cardiac , smooth  - skeletal, cardiac, smooth  A:
skeletal, cardiac, smooth
Q: Sand dunes migrate when sand is blown up a slope and this force pulls it down the other side?    Choices:  - earthquakes  - air pressure  - spin  - gravity  A:
gravity
Q: Q: What equals the output power divided by the input power?    Choices:  - output  - potential  - inertia  - efficiency  A:
A: efficiency
Question: Q: What is the term for gases that absorb heat in the atmosphere?    Choices:  - ionic gases  - thermal gases  - sulfuric gases  - greenhouse gases  A:
Answer: greenhouse gases
*Question*
Q: Some microorganisms can digest cellulose, breaking it down into what?    Choices:  - gluclose polymers  - fructose polymers  - fructose monomers  - glucose monomers  A:
**Answer**
glucose monomers
*Question*
Q: Genetic variation helps ensure that some organisms will survive if what happens?    Choices:  - they get eaten  - there's an earthquake  - they die  - their environment changes  A:
**Answer**

their environment changes