How does the weight challenge work?
Rank eight animals from lightest to heaviest using representative weights.
How is an animal’s weight determined?
Each card uses a representative value from a coherent biological context and source.
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Rank animals by weight
Drag the card into the line and drop it in order, from lightest to heaviest.
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Keyboard: use the left and right arrows to choose a position, Enter or Space to place, and Escape to cancel.
LightestHeaviest