Fact 1: Oxygen is just one substance transported by the blood. Fact 2: Breathing and circulation allow oxygen to be transported to the body's cells. Given the two facts above, what process provides one substance transported by the blood?
OPTIONS:
- breathing
- heat produced
- drink
- complex
- osmosis
- sweating
- cell division
- condensation

Answer: breathing

Fact 1: Female monotremes lack a uterus and vagina. Fact 2: Examples of monotremes are the Platypus and Echidna. Given the two facts above, what females lack a uterus and vagina?
OPTIONS:
- penis
- acetic acid
- dogs
- platypus
- ligt
- graptolites
- alpacas
- humans

Answer: platypus

Fact 1: Arthropods are the largest phylum of invertebrates. Fact 2: Invertebrates have no backbone. Given the two facts above, what don't arthropods have?
OPTIONS:
- barnacles
- backbone
- Weight
- exoskeleton
- rights
- meaning
- Energy
- Energy.

Answer:
backbone