Use a Seed-Dispersal Structure as a Clue - Practice 1

A structure can help a seed move away from its parent plant.

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A structure can help a seed move away from its parent plant. Wings can slow falling in moving air, hooks can attach to fur, and buoyant coverings can help floating. These are clues, not guarantees of a particular journey.

Worked example

A hooked burr can cling to fur. The hooks support a possible transport method; they do not prove where this seed traveled.

Would you believe it?

Water vapor is invisible. The visible white mist above warm water is made of tiny liquid droplets, not individual visible gas particles.

Question 1 A seed has a broad dry wing. Which transport clue fits? movement by air a built-in engine walking on roots

Question 2 A burr has tiny hooks. Which clue fits? making its own wheels swimming with fins clinging to animal fur

Question 3 A seed has a buoyant waterproof covering. Which clue fits? making light floating on water growing legs

Question 4 A fruit is eaten and some intact seeds later leave the animal. Which route is described? transport by an animal transport by a magnet transport by light alone

Question 5 A dry pod splits suddenly and throws seeds. Which route is described? a seed walking a seed flying with muscles release by the opening pod

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