Fact 1: Echinoderms have a unique water vascular system with tube feet. Fact 2: Another group of echinoderms are the echinoids. Given the two facts above, which has a unique water vascular system?
OPTIONS:
- roots
- trees
- Conifers
- Echinoids
- fur seals
- Most plants
- ferns
- bushes
Echinoids

Fact 1: Reproduction is the process by which living things give rise to offspring. Fact 2: Plants are also the oldest living things. Given the two facts above, what reproduces to give rise to offspring?
OPTIONS:
- fungi
- embryos
- mammals
- plants
- density
- clouds
- Flowers
- multiply

Answer: plants

Question: Fact 1: Mammals have a layer of fat under the skin to help insulate the body. Fact 2: An extra layer of fat also helps protect the polar bear from the cold. Given the two facts above, what does a polar bear have to insulate its body?
OPTIONS:
- white
- Cold blood
- Less fat
- Warm blood
- environment
- Bodily water
- Extra fat
- Animal fur
Answer: Extra fat

input with options: Fact 1: Chemical bonds form when substances react with one another. Fact 2: Chemical Bonding A chemical bond is the sharing or transfer of electrons. Given the two facts above, what is shared to form a bond?
OPTIONS:
- Energy
- light energy
- Energy.
- neutrons
- protons
- electrons
- nucleus
- photons
output: electrons

Q: Fact 1: The color of leaves on deciduous trees usually changes in the autumn season. Fact 2: Autumn is a season of transistion as the warm summer days fade giving way to cooler weather. Given the two facts above, during what time frame do deciduous trees' leaves change color?

OPTIONS:
- summer end
- dry and hot
- summer start
- barrel-shaped
- dry conditions
- winter
- after winter
- climate

A: summer end

Fact 1: Insulin helps cells take up glucose from the blood. Fact 2: For instance, glucose is a sugar. Given the two facts above, what helps cells take up sugar from the blood in the body?
OPTIONS:
- exercise
- sugar
- Energy
- Energy.
- bones
- pancreas
- insulin
- blood cells
insulin