Question 1

Which of the following statements is NOT true for the animal depicted in the above figure?

Accepted Answer

A) It has a third eye that gets covered over by scales. 
B) It is a tuatara. 
C) They walk like salamanders. 
D) They thrived during the Triassic period. 
E) All of these are true. 
A) It has a third eye that gets covered over by scales. 
B) It is a tuatara. 
C) They walk like salamanders. 
D) They thrived during the Triassic period. 
E) All of these are true.

Question 2

Sharks differ from most other fish in that they lack

Accepted Answer

A) gill slits. 
B) scales. 
C) bone. 
D) paired appendages. 
E) teeth. 
A) gill slits. 
B) scales. 
C) bone. 
D) paired appendages. 
E) teeth.

Question 3

The reptile group most closely related to the birds is the

Accepted Answer

A) turtles. 
B) snakes. 
C) lizards. 
D) tuataras. 
E) crocodilians. 
A) turtles. 
B) snakes. 
C) lizards. 
D) tuataras. 
E) crocodilians.

Question 4

The letter "B" in the above figure represents

Accepted Answer

A) humerus 
B) pectoral girdle 
C) skull 
D) sternum 
E) pelvic girdle 
A) humerus 
B) pectoral girdle 
C) skull 
D) sternum 
E) pelvic girdle

Question 5

Which of the following is (are) a subphylum(a) of Chordata?

Accepted Answer

A) Urochordata 
B) Hemichordata 
C) Cephalochordata 
D) Vertebrata 
E) Urochordata, Cephalochordata, and Vertebrata 
A) Urochordata 
B) Hemichordata 
C) Cephalochordata 
D) Vertebrata 
E) Urochordata, Cephalochordata, and Vertebrata

Question 6

On the landmass that became South America

Accepted Answer

A) monotremes were replaced by marsupials and early placental mammals starting about 65 million years ago. 
B) highly evolved placental mammals radiated south from North America about 5 million years ago. 
C) many early placental mammals became extinct in the Pliocene. 
D) early placental mammals arose between 130 and 85 million years ago. 
E) all of these occurred. 
A) monotremes were replaced by marsupials and early placental mammals starting about 65 million years ago. 
B) highly evolved placental mammals radiated south from North America about 5 million years ago. 
C) many early placental mammals became extinct in the Pliocene. 
D) early placental mammals arose between 130 and 85 million years ago. 
E) all of these occurred.

Question 7

Which of the following groups are tetrapods?

Accepted Answer

A) cartilaginous fishes 
B) amphibians 
C) birds 
D) mammals 
E) amphibians, birds, and mammals 
A) cartilaginous fishes 
B) amphibians 
C) birds 
D) mammals 
E) amphibians, birds, and mammals

Question 8

Which of the following is a diagnostic feature that forms the basis for classification of sea squirts as chordates?

Accepted Answer

A) metamorphosis from a motile larva to a sessile adult 
B) a heart that allows circulation of blood 
C) a notochord located in the tail of the larva 
D) sexual reproduction during the larval stage 
E) the presence of a tunic or coat over the body of the adult 
A) metamorphosis from a motile larva to a sessile adult 
B) a heart that allows circulation of blood 
C) a notochord located in the tail of the larva 
D) sexual reproduction during the larval stage 
E) the presence of a tunic or coat over the body of the adult

Question 9

Hominids are characterized as

Accepted Answer

A) insectivores. 
B) herbivores. 
C) carnivores. 
D) omnivores. 
E) none of these. 
A) insectivores. 
B) herbivores. 
C) carnivores. 
D) omnivores. 
E) none of these.

Question 10

The letter "A" in the above figure represents

Accepted Answer

A) humerus 
B) pectoral girdle 
C) skull 
D) sternum 
E) pelvic girdle 
A) humerus 
B) pectoral girdle 
C) skull 
D) sternum 
E) pelvic girdle

Question 11

The earliest hominids used tools to

Accepted Answer

A) assist in locomotion. 
B) provide protection. 
C) facilitate the processing of food. 
D) ward off predators. 
E) construct shelters. 
A) assist in locomotion. 
B) provide protection. 
C) facilitate the processing of food. 
D) ward off predators. 
E) construct shelters.

Question 12

Declining amphibian populations are correlated with

Accepted Answer

A) habitat loss. 
B) introduction of new species. 
C) long-term changes in climate. 
D) fungal infections and parasitic diseases. 
E) all of these. 
A) habitat loss. 
B) introduction of new species. 
C) long-term changes in climate. 
D) fungal infections and parasitic diseases. 
E) all of these.

Question 13

Vertebrate colonization of terrestrial habitats increased dramatically with the evolution of

Accepted Answer

A) lungs. 
B) paired appendages. 
C) shelled eggs. 
D) the four-chambered heart. 
E) scales. 
A) lungs. 
B) paired appendages. 
C) shelled eggs. 
D) the four-chambered heart. 
E) scales.

Question 14

Which of the following statements is false?

Accepted Answer

A) Shark's teeth are modified scales that are continuously shed and replaced. 
B) Many fish use a swim bladder to provide buoyancy control. 
C) The bony fishes were the ancestors of the cartilaginous fishes. 
D) The ray-finned fishes are the most numerous and diverse of the fish groups. 
E) The lobe-finned fishes are represented today only by the coelacanths. 
A) Shark's teeth are modified scales that are continuously shed and replaced. 
B) Many fish use a swim bladder to provide buoyancy control. 
C) The bony fishes were the ancestors of the cartilaginous fishes. 
D) The ray-finned fishes are the most numerous and diverse of the fish groups. 
E) The lobe-finned fishes are represented today only by the coelacanths.

Question 15

Which of the following features is NOT an important evolutionary advancement in the evolution of the arboreal primates?

Accepted Answer

A) opposable thumbs 
B) depth perception 
C) elongated snout with well-developed sense of smell 
D) the ability to see in color 
E) a brain with a well-developed ability to judge distances and with the ability to quickly compensate for misjudgments 
A) opposable thumbs 
B) depth perception 
C) elongated snout with well-developed sense of smell 
D) the ability to see in color 
E) a brain with a well-developed ability to judge distances and with the ability to quickly compensate for misjudgments

Question 16

How do we know that hominids did not have splayed-out big toes?

Accepted Answer

A) Mary Leakey found footprints fossilized from soft volcanic ash. 
B) Some of the great apes have lost their splayed toe features. 
C) Complete fossils of these early hominids have been discovered. 
D) Examples of these hominids exist in New Guinea. 
E) None of these are correct. 
A) Mary Leakey found footprints fossilized from soft volcanic ash. 
B) Some of the great apes have lost their splayed toe features. 
C) Complete fossils of these early hominids have been discovered. 
D) Examples of these hominids exist in New Guinea. 
E) None of these are correct.

Question 17

All crocodilians

Accepted Answer

A) live in or near water. 
B) are predators with sharp teeth. 
C) have a four-chambered heart. 
D) show parental behavior. 
E) fit all of these descriptions. 
A) live in or near water. 
B) are predators with sharp teeth. 
C) have a four-chambered heart. 
D) show parental behavior. 
E) fit all of these descriptions.

Question 18

The first group to exhibit an amniotic egg was the

Accepted Answer

A) Aves. 
B) Amphibia. 
C) Reptilia. 
D) Osteichthyes. 
E) Mammalia. 
A) Aves. 
B) Amphibia. 
C) Reptilia. 
D) Osteichthyes. 
E) Mammalia.

Question 19

The last mass extinction of dinosaurs on Earth occurred between which two geologic periods?

Accepted Answer

A) Devonian and Carboniferous 
B) Silurian and Devonian 
C) Triassic and Permian 
D) Cretaceous and Tertiary 
E) Jurassic and Cretaceous 
A) Devonian and Carboniferous 
B) Silurian and Devonian 
C) Triassic and Permian 
D) Cretaceous and Tertiary 
E) Jurassic and Cretaceous

Question 20

All amphibians, reptiles, birds, and mammals alive today

Accepted Answer

A) have jaws. 
B) are chordates. 
C) are vertebrates. 
D) are craniates. 
E) are craniate, vertebrate chordates with jaws. 
A) have jaws. 
B) are chordates. 
C) are vertebrates. 
D) are craniates. 
E) are craniate, vertebrate chordates with jaws.

Exam 26: Animal Evolution the Chordates

Which of the following statements is NOT true for the animal depicted in the above figure?

Sharks differ from most other fish in that they lack

The reptile group most closely related to the birds is the

The letter "B" in the above figure represents

Which of the following is (are) a subphylum(a) of Chordata?

On the landmass that became South America

Which of the following groups are tetrapods?

Which of the following is a diagnostic feature that forms the basis for classification of sea squirts as chordates?

Hominids are characterized as

The letter "A" in the above figure represents

The earliest hominids used tools to

Declining amphibian populations are correlated with

Vertebrate colonization of terrestrial habitats increased dramatically with the evolution of

Which of the following statements is false?

Which of the following features is NOT an important evolutionary advancement in the evolution of the arboreal primates?

How do we know that hominids did not have splayed-out big toes?

All crocodilians

The first group to exhibit an amniotic egg was the

The last mass extinction of dinosaurs on Earth occurred between which two geologic periods?

All amphibians, reptiles, birds, and mammals alive today

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

A Closer Look at Cell Membranes

Ground Rules of Metabolism

Where It Startsphotosynthesis

Energy-Releasing Pathways

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Dna Structure and Function

From Dna to Protein

Controls Over Genes

Recombinant Dna and Genetic Engineering

The Macroevolutionary Puzzle

Emergence of Evolutionary Thought

Organizing Information About Species

The Origin and Evolution of Life

Viruses and Prokaryotes

Protists the Simplest Eukaryotes

Plants

Fungi

Animals: the Invertebrates

Human Evolution: a Case Study

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction

Plant Growth and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Protection, Support, and Movement

Circulation

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Population Ecology

Community Structure and Biodiversity

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters