The two species of penguin that are likely to be seen on the third day are Gentoo and Magellanic penguins. Both are situated on ice-free surfaces. A Gentoo penguin has a white bonnet-like stripe on its head. Magellanic penguins have two black bands on their head and chests.
When cells become damaged or die the body makes new cells to replace them. This process is called cell division. One cell doubles by dividing into two.
