Yes
Killer whales nurse for at least a year but may nurse up to two years.
Yes a whale is a mammal. It gives birth to live young and they produce milk and nurse their babies (as weird as it seems:)
yes a humpback whale is a mamale and it has babies
Mammals give live birth to their babies (they do not lay eggs) and they nurse their babies with milk. Both animals you named do that.
Yes, bunnies nurse their babies.
Mammals are warm blooded animals that give live birth to their babies (as opposed to laying eggs) and nurse their babies with milk. Whales meet all 3 criteria.
yes,platupuses nurse thier babies
The nurse that takes care of the babies after birth is called a postpartnum nurse.
humpbacks have babies by mateing
1
All of them
Yes. If it didn't reproduce, there would be no whale sharks.