Question

what structure are formed by modification of branchial arches in tetrapods? ᴘʟᴢ ᴀɴꜱᴡᴇʀ
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ᴛʜᴏᴅᴀ ᴛʜᴀɴᴋꜱ ᴅᴇᴅᴏ ​

Answer 1

Answer:

1/4

One day = 24 hours, i.e., 1 day/24 hours; Therefore, ... Therefore, 6 hours is equal to 1/4 (one-quarter) of a day.

Answer 2

Answer:

The first, most anterior pharyngeal arch gives rise to the oral jaw. The second arch becomes the hyid and jaw support. In fish, the other posterior arches contribute to the branchial skeleton, which support the gills; in tetrapods the anterior arches develop into components of the ear, tonsils, and thymus.

Explanation:

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