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AnnZ [28]
3 years ago
10

_____ evolved during the jurassic or cretaceous periods

Biology
2 answers:
BARSIC [14]3 years ago
6 0
It could be dinosaurs, or a specific species... could you be more specific with what it's related to?
dedylja [7]3 years ago
4 0

Answer:

Angiosperms  evolved during the Jurassic or Cretaceous periods.

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With shorter necks, giraffe ancestors could not reach food-containing branches on tall trees. This resulted in the directional selection of giraffes with longer necks.

 

<h3>Why is choosing a direction necessary? </h3>

It nearly appears obvious that the giraffe's long neck developed as a result of a lack of food in the lower branches of trees. The giraffe has a significant advantage because it is taller than any other mammal and can feed where few others can. 

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7 0
1 year ago
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hope it's helpful

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