input with options: Fact 1: Threatening behavior causes a fight-or-flight response in animals. Fact 2: Fear also causes adrenaline to surge, which is part of the fight or flight response. Given the two facts above, an animal attacking another animal may cause?
OPTIONS:
- dopamine to increase
- hypothyroidism
- cause their death
- decrease stamina
- adrenaline to surge
- population movement
- insulin decrease
- growth hormone production
output: adrenaline to surge

Q: Fact 1: When the seasons change from the summer to the fall , the amount of daylight will decrease. Fact 2: Autumn or Fall is almost over. Given the two facts above, what decreases when the seasons change from summer to autumn?

OPTIONS:
- epidermal
- daylight
- snow
- rain
- wind speed
- Light
- sunlight
- temperature

A: daylight

input: OPTIONS:
- rings
- fibers
- bamboo
- bark
- crown
- wind
- soil
- traits Now, answer this question: Fact 1: The number of rings in a tree trunk can be used to estimate the age of the tree. Fact 2: Tree rings are examined to learn the forest age and growth rate. Given the two facts above, what can be used to estimate a forest's growth rate?
A:
output: rings

Fact 1: An animal requires nutrients for survival. Fact 2: Water is the most important nutrient for animals and humans. Given the two facts above, an animal requires what for survival?

OPTIONS:
- a pillow
- a collar
- a leash
- stamina
- water
- protein
- food
- Enzymes

Answer: water

Problem: OPTIONS:
- heat produced
- survival
- surf boards
- density
- heat energy
- Animal survival
- shoes
- medical research
Q: Fact 1: Marine species live mainly in shallow coastal waters. Fact 2: Many marine species are used for medical research. Given the two facts above, what are many organisms found in shallow coastal waters used for?
Answer: medical research

Fact 1: Mollusks are invertebrates such as the common snail. Fact 2: Invertebrates have no backbone. Given the two facts above, what do mollusks not have?

OPTIONS:
- backbone
- tissue
- alveoli
- life
- heat energy
- a cuticle
- food
- shell

Answer:
backbone