<span>There is no primary root. Innumerable thin roots of similar size are present.</span>
ANSWER :
Ancistrus is a genus of nocturnal freshwater fish in the family Loricariidae of order Siluriformes, ... Historically, commonly available species of Ancistrus were Ancistrus cirrhosus and Ancistrus temminckii; other species are now available, though .
Explanation:
Hope it helps
The Outer ear. The pinna is the part you can see, and the ear canal is the part just inside of that :)
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