List

Bio-numbers

Big and small numbers in biology
problem

Big and small numbers in biology

Age
14 to 16
Challenge level
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Work with numbers big and small to estimate and calulate various quantities in biological contexts.

Time to evolve
problem

Time to evolve

Age
14 to 16
Challenge level
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How many generations would link an evolutionist to a very distant ancestor?
Biology measurement challenge
problem

Biology measurement challenge

Age
14 to 16
Challenge level
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Analyse these beautiful biological images and attempt to rank them in size order.