BIO 122L - Quiz 10 Vertebrates

Are chordates and echinoderms classified as protostomes or deuterostomes?

Deuterosotmes.

Which chordate features are present in the tunicates and lancelets?

Dorsal hollow nerve cord, notochord, and pharyngeal slits.

What structure develops into the vertebral column in vertebrate chordates?

The notochord develops into the vertebral column.

Do cartilaginous fishes or ray-finned fishes have a bony skeleton?

Ray-finned fishes have a bony skeleton.

What term refers to terrestrial vertebrates that have four limbs?

Tetrapods.

What do reptiles produce to prevent their embryos from drying out on land?

Amniotic eggs.

What term refers to the changes that occur when an aquatic tadpole becomes a frog with limbs and lungs?

Metamorphosis

What is the name of the membranous covering associated with the heart?

Pericardium

What structure in the frog receives materials from the large intestine, mesonephritic ducts, and the reproductive organs?

Cloaca

Which animals have modified scales covering their bodies, have scales on their feet, lay shelled eggs, and have internal organs and skulls that provide evidence to classify them as reptiles?

Reptiles

What organs are present if a vertebrate has a pulmonary system of circulation with pulmonary capillaries

Lungs

How many ventricles are present in the heart of an amphibian and most reptiles?

Three.

Which vertebrates have air sacs attached to their lungs that make the lungs more efficient?

Birds

What organs, present in all the vertebrates, produce urine and maintain the proper balance of fluids and salts in the blood?

Kidneys