(1) What are the tiny bones in the ears of fishes which accumulate annual growth lines, enabling scientists to determine a fish’s age?
Answer: Otoliths.
(2) The invasive weed Chrysanthemoides monilifera has two sub-species in Australia. Once is known commonly as ‘Boneseed’. What is the other's common name?
Answer: Bitou bush.
(3) Which English-born author created the fictional Aboriginal detective Napoleon ‘Bony’ Bonaparte, who featured in 29 novels from 1929-1966?
Answer: Arthur Upfield.
(4) What is the agricultural weed Chondrilla juncea better known as?
Answer: Skeleton weed.
(5) What is Napier’s bones?
Answer: A mathematical calculation device.