Vertebrate Structures and Relationships Quiz

What is the distinguishing factor between amniotes and non-amniotes?

• Presence of the amnion membrane within an embryo

• Presence of gills

• Type of locomotion

• Coloration of the skin

Which group of vertebrates includes reptiles and birds?

• Non-amniotes

• Sauropsids

• Mammals

• Amphibians

What is the unique characteristic of turtles that sets them apart from other vertebrates?

• Feathers

• Shell

• Gill arches

• Lung structure

Which group of vertebrates contains lungfishes and coelacanths?

• Amphibians

• Lobe-finned fishes

• Sharks and rays

• Bony fishes

Which group of vertebrates includes alligators and crocodiles?

• Turtles

• Lizards and snakes

• Alligators and crocodiles

• Birds

Which group of vertebrates evolved flight during the Mesozoic era?

• Turtles

• Lizards and snakes

• Alligators and crocodiles

• Birds

Which group of mammals contains the platypus and echidnas?

• Placentals

• Marsupials

• Monotremes

• Amphibians

What is the primary function of the closed circulatory system in vertebrates?

• Regulating body temperature

• Digesting food

• Transporting oxygen to cells

• Producing gametes

Which type of tissue is primarily limited to external tissues such as skin, hair, scales, and feathers?

• Enamel

• Dentine

• Collagen

• Keratin

What is the basic building block of connective tissue in vertebrates?

• Collagen

• Keratin

• Enamel

• Dentine