Fact 1: Mating is generally preceded by courtship. Fact 2: Courtship is similar across species. Given the two facts above, what is generally similar across species?
OPTIONS:
- tail fins
- our star
- the eyes
- vision
- mating
- Flowers
- bushes
- alpacas
mating

Fact 1: Most invertebrates have a more complex nervous system. Fact 2: Invertebrates are animals without a backbone. Given the two facts above, animals that tend to have complex nervous systems are missing what?
OPTIONS:
- Energy
- Energy.
- nervous system
- Chlorophyll
- backbone
- alleles
- abdomen
- brain

Answer: backbone

Question: Fact 1: Chromosomes are coiled structures made of DNA and proteins. Fact 2: During prophase the chromosomes coil up. Given the two facts above, structures coil when, and are made of DNA and proteins?
OPTIONS:
- during the night
- they bend
- during prophase
- during reproduction
- an organism's body
- solid, liquid, gas
- during protein absorbtion
- Veins and arteries.
Answer: during prophase

input with options: Fact 1: Abattery converts chemical energy into electrical energy. Fact 2: Electricity is a form of energy and is sometimes called electrical energy. Given the two facts above, how does a battery work?
OPTIONS:
- dormant state
- hydrogen and oxygen
- Throwing it away
- Charging it
- It converts power
- Plugging it in
- It remains dormant
- to move people
output: It converts power

Q: Fact 1: Gases from burning coal and oil dissolving in water in the atmosphere causes acid rain. Fact 2: Acid rain comes from polluted clouds. Given the two facts above, gases from burning coal and and oil dissolving in the atmosphere can cause what?

OPTIONS:
- polluted rain
- disease
- humidity
- thunderstorms
- snow
- contamination
- Temperature
- harmful substances

A: polluted rain

Fact 1: Poison causes harm to living things. Fact 2: Poisoning is similar to paralytic shellfish poisoning . Given the two facts above, paralytic shellfish cause harm to what?
OPTIONS:
- their environment
- most cephalopods
- their ecosystem
- themselves
- coral reefs
- animals
- living things
- circulatory systems
living things