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One of the most primitive living Vertebrates, this organism has no true jaw structure, lacks paired fins and is ectoparasitic to other fish:

This organism’s body is elongated and lance shaped. It is commonly found in sandy bottoms of coastal waters and retains all 4 chordate characteristics into adulthood.

Cartilaginous fish belong to this Class:

The ability to walk upright on two feet is known as:

Kangaroos belong to which of the following categories of Mammals?

Birds with seed-cracking beaks and perching feet best describe which group:

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?

This organism lives on the ocean floor and “squirts” water out of its excurrent siphon when disturbed.

The largest group of vertebrates (with about 25,000 species) is: