In the Subphylum Vertebrata, this organ excretes nitrogenous waste products and regulates water balance:

This Class is viewed as a transitional group of animals because most begin life as aquatic larva and goes through metamorphosis to become terrestrial adults:

Opossums belong to which of the following categories of Mammals?

Bears belong to which Order of Mammals:

A shark’s body is covered with __________, or toothlike, scales.

In sea turtles, all the eggs hatch at one time which overwhelms predators. This process is known as:

This group of Homonids is believed to be the first to develop the ability to speak:

In amniotic eggs, this membrane layer stores waste products from the embryo and also serve as a gas exchange organ from the embryo.

This group is though to be the most primitive primates, consisting of lemurs and tarsiers.

Which of the following is not a characteristic of Primates?