An echidna, option 1, is one of the few mammals known to lay eggs. They are part of a group of egg-laying mammals called monotremes, which includes the Platypus. Therefore, they do not directly produce young ones but lay eggs that will eventually hatch into their offspring.

Option 2, Kangaroos, do give birth to live young but they do this in a unique way. Their young are born extremely undeveloped and then climb into their mother`s pouch to continue growing.

Option 3, Porcupines, are placental mammals and give birth to live young.

Option 4, Whales, are also mammals that give birth to live young ones. Like all mammals, females nurse their young ones with milk.

So, the correct answer is Echidna.