Honors Vertebrates

Which of the following is NOT a characteristic of chordates?

• dorsal hollow nerve chord
• pharyngeal slits
• lungs
• post-anal tail

Lampreys differ from fish in the following ways:

• They lack a backbone.
• They lack an endoskeleton.
• They lack jaws.
• They lack a tail.

Which of the following statements about amphibians is FALSE?

• Lungs and appendages (limbs) evolved in amphibians to allow them to live on land.
• Amphibians lay their eggs in or near water.
• Most amphibian life cycles include metamorphosis. (From tadpole to frog).
• Their offspring develop in amniotic eggs.

Which of the following is/are characteristics of reptiles?

• scales
• amniotic eggs
• waterproof skin
• all choices are correct

Which of the following animals are ectothermic?

• frogs
• alligators
• turtles
• all choices are correct

Which of the following statements about birds is FALSE?

• Birds probably evolved from dinosaurs.
• Birds are ectothermic.
• Feathers and wings are unique to birds.
• Their young develop in amniotic eggs.

Which of the following statements about mammals is FALSE?

• Some mammals lay eggs.
• Mammals have mammary glands.
• Mammals have hair.
• Mammals are ectothermic.

Which of the following is a monotreme?

• platypus
• lion
• orca whale
• rhino

Which of these MUST return to water to reproduce?

• Amphibians
• Reptiles
• Birds
• Mammals

All mammals give live birth.

• True
• False