Problem: OPTIONS:
- the skin
- the liver
- the heart
- the brain
Q: Q: What organ provides the integrative power that underlies the complex behavior of vertebrates? A:
Answer: the brain

Problem:OPTIONS:
- primate
- homo erectus
- Neanderthal
- homo sapiens

Q: What is the scientific name for the human species? A:
****
A: homo sapiens

Q: What phenomenon is crowding out other species and making all the other causes of extinction worse? A:
OPTIONS:
- climate change
- human suburbanization
- migration
- human overpopulation
human overpopulation

Q: What is lava called before it reaches the surface of the earth? A:
OPTIONS:
- crust
- pyrite
- rock
- magma

Answer: magma

Question: Q: Energy transferred solely due to a temperature difference is called? A:
OPTIONS:
- chemical energy
- magnetic energy
- humidity
- heat
Answer: heat

input: OPTIONS:
- negative change
- positive change
- atmospheric change
- physical change Now, answer this question: Q: A change in one or more physical properties of matter without any change in chemical properties is called what? A:
A:
output:
physical change