LEAD: Prime Minister David Lange warned the Soviet Union today that he would close his country's ports to Soviet ships if they continued to kill seals in Antarctica.

Writing newspapers, acting out sketches, pumping music rolls through player pianos, reading books, doing research, and producing some food, by fishing and killing seals.

Teams would then be sent out onto the ice to kill seals.

For this reason, they did not kill seals, living instead on caribou and muskoxen.

It is legal to kill seals perceived to threaten fisheries in the United Kingdom, Norway and Canada, but commercial hunting is illegal.

Well, they kill fish, and seals and suchlike.

There's evidence of Paleolithic people killing and eating seals and elands as far as 100,000 years BP.

In Canada only indigenous people in northern communities may kill seals for subsistence needs, like feeding and clothing human beings and feeding sled dogs.

The children find out that in Constance's time they kill seals for their oil.

They are now likely to withdraw from the hunt, in which case, only two ships, the Harmoni and the Melshorn, will be left to kill seals next year.