I'm guessing that food was scarce near the bottom of trees, so giraffes with longer and longer necks generally outlived the giraffes with shorter ones.
Giraffes evovled with long necks so they can reach the tree and eat the leaves.
i think their necks grow & evolved eventually because of the lack of low trees and branches
Giraffes are grouchy because they cannot yawn. And maybe they have soar necks. They really do not yawn though.
Giraffes use their necks in the same way we use ours. They are just longer.
Yes, they do.
no
on their necks
There necks are really long so they can reach the leaves at a high distance
giraffes have long necks and spots
They are tall and have long necks
They have long necks
Longer necks.