Q: Which vertebrae carry the greatest amount of body weight and are thus characterized by the large size and thickness of the vertebral body? Choices: - artery vertebrae - invertebrae - thickness vertebrae - lumbar vertebrae A:
lumbar vertebrae

Q: Clearing land for agriculture and development is a major cause of what negative result? Choices: - water destruction - human destruction - mineral destruction - habitat destruction A:
habitat destruction

Q: Q: What is the major source of warmth for earth? Choices: - the Moon - seasons - equator - the sun A:
A: the sun

Question: Q: Human population is growing exponentially and humans have increased what normally limiting factor through technology, urbanization, and harnessing the energy of fossil fuels? Choices: - zero population growth - mass extinction - habitat loss - carrying capacity A:
Answer: carrying capacity

*Question*
Q: What type of simple machine is a seesaw an example of? Choices: - power - steam - single - lever A:
**Answer**
lever

Q: Segmented worms have a digestive,nervous and what type of system? Choices: - pulmonary - vascular - lymphatic - circulatory A:
circulatory