1 Fish live in water. 2  Fish have a backbone. 3  They are vertebrates. 4  Fish breathe using gills. 5  They absorb oxygen through the gills. 6  Almost all fish are cold-blooded. 7  Two of the exceptions are the tuna and the Pacific salmon shark, which can raise their body temperature to some degree.o identify an animal as a fish, it should have these characteristics: 1  Fish live in water. 2  Fish have a backbone. 3  They are vertebrates. 4  Fish breathe using gills. 5  They absorb oxygen through the gills.
Family and education. Martin Luther was born at Eisleben in Saxony, Germany, on November 10, 1483, the son of Hans and Margaret Luther. Luther's parents were peasants, but his father had worked hard to raise the family's status, first as a miner and later as the owner of several small mines, to become a small-scale businessman.
Martin Luther (1483â1546) was born in Eisleben, Saxony (now Germany), part of the Holy Roman Empire, to parents Hans and Margaretta. Lutherâs father was a prosperous businessman, and when Luther was young, his father moved the family of 10 to Mansfeld.