Fact 1: Antigens are molecules that the immune system recognizes as foreign to the body. Fact 2: An allergy is a reaction to a substance the body recognizes as foreign. Given the two facts above, an allergy can be caused by?
OPTIONS:
- antigens
- Pesticides
- cold weather
- fever
- viruses
- food
- Smoking
- germs

Answer: antigens

Question: Fact 1: Sporangia produce spores that develop into tiny, heart-shaped gametophytes. Fact 2: Asexual reproduction is by sporangia or conidia. Given the two facts above, when does spore enclosure produce heart-shaped gametophytes?
OPTIONS:
- The area was once underwater
- peachleaf willow
- It helps them survive
- Asexual reproduction
- during the day
- by indirect light
- allow growth
- in the autumn season
Answer: Asexual reproduction

input with options: Fact 1: Marine species live mainly in shallow coastal waters. Fact 2: Killer whales prefer shallow and colder coastal waters. Given the two facts above, what are killer whales?
OPTIONS:
- red and black
- They have thick fur
- dangerous
- sharks
- deep sea creatures
- marine species
- Absorb light
- animals
output: marine species

Q: Fact 1: Water causes refraction of light. Fact 2: Water includes all liquids. Given the two facts above, what causes the refraction of light?

OPTIONS:
- focusing a lens
- Chemical energy
- fossil fuels
- all liquids
- a solute
- chemical changes
- an electron lens
- squids

A: all liquids

input: OPTIONS:
- attack prey
- seed dispersal
- share properties
- deuterostome with each other
- not communicate
- Release energy
- mate with females
- communicate with each other Now, answer this question: Fact 1: Echinoderms use pheromones to communicate with each other. Fact 2: All echinoderms are deuterostomes . Given the two facts above, at least some deuterostomes use pheromones to do what?
A:
output: communicate with each other

Question: Fact 1: Carbon cycles quickly between organisms and the atmosphere. Fact 2: An organic molecule is one involving carbon. Given the two facts above, what cycle quickly between organisms and the atmosphere?
OPTIONS:
- chlorofluorocarbons
- organic molecules
- Most plants
- Greenhouse gasses
- Greenhouse gases
- emissions
- fossil fuels
- Burning fuel and air
Answer:
organic molecules