Dan and Fred were friends. they studied Biology at the same University. Fred studied bird reproduction this semester, while Dan studied fish reproduction. Which friend studied less about eggs that can be fertilized either inside or outside of the body?
Ans: Fred

Deep lake presents geothermal activity, while Shallow lake has mixing of saline water with fresh water. Deep lake had more instances of divers having problems because of thermoclines. Which lake has fewer thermoclines?
Ans: Shallow lake

Two groups of tourists went on two different cruise ships Group J had some members contract Norovirus and hepatitis A, while group K got many cases of giardia and trichinella infections. Which group had fewer people with inflammation of the intestines?
Ans: group K

An archipelago in the Indian ocean included two very different islands. Snake island was a reptile paradise, inhabited by many species of reptiles. Bird island had few reptiles on it, but had various birds inhabiting it. Which island was inhabited by more lizards?
Ans: Snake