More cards in this set

Card 6

Front

What is the biological cost of a male cicada singing at dusk to attract females?

Back

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Card 7

Front

Hornless sneaks and horned guards are from what species?

Back

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Card 8

Front

Males of which species have inflatable penises that are used to pack perm from previous males deep into the females spermatheca?

Back

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Card 9

Front

The Drosophila uses what technique to ensure success of their own sperm?

Back

Preview of the front of card 9