15-Apr-2021 Theme: 'Rings'

(1) What is the science of dating past events by studying annual growth rings in trees?

Answer: Dendrochronology.

(2) What is the nest of a ringtail possum called? (bonus: where does the word originate?).

Answer: Drey. (bonus: English term for a squirrel’s nest).

(3) Drey. (bonus: English term for a squirrel’s nest).

Answer: Crimson rosella and Eastern rosella CORRECTION: The quiz master withdraws the above question (3), with apologies. The answer is still ‘rosella’, but it turns out the whole ring species thing with rosellas is far more complicated, and the question is fatally flawed and incorrect.

(4) The age of a bony fish can be determined by examining the annual rings laid down in what bone-like structure in its head?

Answer: Otolith.

(5) What is an elastrator?

Answer: A device used to apply rubber rings to castrate livestock (or for docking tails etc.).

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