the Ozone Layer is the answer
All cellular activities that require energy use ATP as a source of energy.
Answer:
Gravity?
Explanation:
Or it could be a non contact force.
Answer:
<u>The woodpeckers wouldn't have homes/shelters to keep themselves safe so they would slowly die out.</u>
Answer 2:
I'm pretty sure you can also say, <u>they would have to adapt to living in a new species of tree</u>
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I hope this helped