Context: Placental mammals are a group of animals with similar traits. The following traits can be used to identify placental mammals:
They give birth to live offspring.
They have fur or hair. Observe the animals and read the descriptions.
Select the one animal that has all of the placental mammal traits listed above.
A. Brown pelicans live along the west coast of North America. They dive underwater to catch fish in their beaks. Brown pelicans keep their eggs warm by standing on the shells with their large, webbed feet.
B. Hippopotamuses have small hairs near their mouths and ears, but most of their skin is hairless. Their skin makes a reddish-brown substance that acts like sunscreen! Hippopotamuses give birth to live offspring.
Choose the right answer from the options and respond with its letter.

B