Ch 34 Study Module

Which of the following groups represents the most basal lineage of vertebrates?

Animals that are classified as vertebrates and have rudimentary vertebrae are the ______ and the ______.

Sharks and rays belong to the clade ________.

Which of the following sets of animals contains only gnathostomes?

________ are early vertebrates that lacked jaws, had large eyes, and had mineralized dental tissues.

Primates known as anthropods include all of the following groups except ________.

All species of New World monkeys are __________.

A __________ is a chordate but not a vertebrate.

__________ arose very early in hominid evolution; __________ evolved more recently.

Derived chordate characteristics include all of the following except a _______.

The gill flap, or operculum, was an important adaptation for fish because it helps with __________.

Which of the following correctly lists probable ancestors of modern humans from the oldest to the most recent?

Derived amniote characteristics include all of the following except ___________.

________ are extinct species that are more closely related to humans than to chimpanzees.

Which of the following animals is an amphibian?

Sharks that retain their fertilized eggs in the oviduct, where the eggs develop into young, are called ________.

The three lineages of the Sarcopterygii include the coelolcanths, lungfishes, and ________.

The adaptation that freed vertebrates from water for reproduction and allowed them to radiate into diverse terrestrial environments was the __________.

Primates are distinguished from other mammals by __________.

Derived mammalian characteristics include all of the following except _______.

A feature of bony fish not found in sharks is __________.

A lamprey, a shark, a lizard, and a rabbit share all the following characteristics except __________.

Basal chordates are animals called the ________.

Humans and the loris share many traits that probably evolved in our early primate ancestors, including __________.

_______ belong to a group of bipedal saurischian dinosaurs.

Tiktaalik is an important fossil find because ________.

Analysis of mitochondrial DNA and Y chromosomes of modern humans has led most researchers to agree that __________.

The fact that tunicates have only 9 sets of Hox genes while lancelets and all other chordates have 13 sets of Hox genes indicates that ____________.

_________ best explains the similarities between Australian marsupials and placental mammals (eutherians) in other parts of the world.

Which of the following chordate characteristics contributes most to the formation of your ears?