What is the function of the large, sheetlike pectoralis muscles of a bird it moves the tail to form a rutter system it anchors the feet when the bird perches it provides the wing upstroke it provides the wing's downstroke?

it provides the wing's downstroke

Explanation:

the function of the large, sheetlike pectoralis muscles of a bird is that it provides the downstroke of the wings.

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the europeans in the caribbean colonies had to turn to africans to replace the native peoples as slave it would be letter a