Pines,including the Whitebark Pine,are Pioneer-Type Trees,meaning the Young Seedlings and Trees

question 24

Multiple Choice

Pines,including the whitebark pine,are pioneer-type trees,meaning the young seedlings and trees need to grow in open areas with sunlight.Which of these would be most helpful in spreading the seeds of the trees?

• A)bears,which eat and digest the seeds
• B)squirrels,which bury the seeds in the shade of the pines
• C)rodents,which cache the seeds in their deep underground burrows
• D)Clark's nutcracker,which caches the seeds on sunny hillsides

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