lampreys have 7 gill arches
it lives in the ocean and with its gill
Layes Abdullayeva was born on 1991-05-29.
21 days
Today i caught smallmouth, largemouth bass, chain pickerel, perch and blue gill.
There are three species of the perch: Percaflavescens (Yellow perch), Perca fluviatilis(European perch) and Perca schrenkii (Balkhash perch).
A perch has two chambers in it's heart.
10 square perch is 0.0625 acre.
1 perch = 272.25 sq. ft.
greenhouse effect
A perch, otherwise known as a rod, or a pole, is equal to 16.5 feet.
The Bald Eagle was perched ontop of a tree.