Problem: OPTIONS:
- Thyroid-stimulating hormone
- prolactin release
- chemical messengers
- They can't live in the cold
- To get some rest
- To conserve energy
- Endocrine system
- They don't like the winter
Q: Fact 1: Hibernation is used for conserving energy by some animals. Fact 2: When they hibernate, bears enter a deep sleep. Given the two facts above, why do bears enter a deep sleep?
Answer: To conserve energy

Problem:OPTIONS:
- Ligaments
- follicles
- hydration
- environment
- glucose
- pores
- exercise
- Arteries

Fact 1: Arteries generally carry oxygen-rich blood. Fact 2: Energy levels can plummet due to lack of oxygen-rich red blood cells. Given the two facts above, _ are needed to maintain energy levels ?
****
A: Arteries

Fact 1: If gas is heated then that gas will expand. Fact 2: An increase in temperature causes a gas to expand. Given the two facts above, what affects a gas?
OPTIONS:
- electricity
- kinetic energy
- temperature
- Evaporation
- salinity
- Pollution
- wind
- magnetism
temperature

Fact 1: Arthropods have a life cycle with sexual reproduction. Fact 2: Insects are the largest group of arthropods. Given the two facts above, what type of creatures have sexual reproduction as part of their life cycle?
OPTIONS:
- plants
- insects
- proteins
- ducks
- animals
- gametes
- prions
- fungi

Answer: insects

Question: Fact 1: If a planet becomes too hot then that planet cannot sustain life. Fact 2: Another name for Mars is the Red Planet. Given the two facts above, what happens if Mars becomes too hot?
OPTIONS:
- Plant growth is reduced
- They may not survive.
- decreases its bodily water
- It becomes dormant
- it will collide with Earth
- it will stop rotating
- it cannot sustain life
- it will freeze
Answer: it cannot sustain life

input: OPTIONS:
- uncontrolled
- extinction
- decrease stamina
- permineralization
- rapid expansion
- killing insects
- Plants growth
- complex Now, answer this question: Fact 1: Some viruses can cause cancer. Fact 2: Cancer is an uncontrolled cell division. Given the two facts above, some viruses can cause what kind of cell division?
A:
output:
uncontrolled