Question 1

Birds and crocodiles share which of the following characteristics?

Accepted Answer

A) ectothermy (body temperature regulated by environment) 
B) body hair 
C) four-chambered heart 
D) lung design 
E) light-weight bones 
A) ectothermy (body temperature regulated by environment) 
B) body hair 
C) four-chambered heart 
D) lung design 
E) light-weight bones

Question 2

Filter-feeding is used by

Accepted Answer

A) sea squirts. 
B) clams. 
C) sponges. 
D) lancelets. 
E) all of these. 
A) sea squirts. 
B) clams. 
C) sponges. 
D) lancelets. 
E) all of these.

Question 3

Which of these statements about snakes is false?

Accepted Answer

A) All snakes are carnivores. 
B) All snakes use internal fertilization. 
C) All snakes are venomous. 
D) All snakes have flexible skull bones and hinged jaws. 
E) Some snakes retain skeletal remnants of hindlimbs. 
A) All snakes are carnivores. 
B) All snakes use internal fertilization. 
C) All snakes are venomous. 
D) All snakes have flexible skull bones and hinged jaws. 
E) Some snakes retain skeletal remnants of hindlimbs.

Question 4

Pouches in the gut wall developed into __________ in fishes that are ancestral to land vertebrates.

Accepted Answer

A) heart chambers 
B) the notochord 
C) lobes of the liver 
D) lungs 
E) vocal cords 
A) heart chambers 
B) the notochord 
C) lobes of the liver 
D) lungs 
E) vocal cords

Question 5

Which of these adaptation(s) is (are) unique to mammals?

Accepted Answer

A) hair or fur 
B) four types of upper and lower teeth that match up 
C) sweat glands 
D) secretion of milk by females 
E) all of these 
A) hair or fur 
B) four types of upper and lower teeth that match up 
C) sweat glands 
D) secretion of milk by females 
E) all of these

Question 6

Archaeopteryx

Accepted Answer

A) is an example of a "missing link." 
B) had teeth. 
C) had feathers. 
D) had a long bony tail. 
E) all of the above are true. 
A) is an example of a "missing link." 
B) had teeth. 
C) had feathers. 
D) had a long bony tail. 
E) all of the above are true.

Question 7

Finding a very large crater in the Gulf of Mexico provided support for the

Accepted Answer

A) gradual model of speciation. 
B) central dogma. 
C) biological species concept. 
D) K-T asteroid impact theory. 
E) cell theory. 
A) gradual model of speciation. 
B) central dogma. 
C) biological species concept. 
D) K-T asteroid impact theory. 
E) cell theory.

Question 8

The early amniotes

Accepted Answer

A) developed a land egg. 
B) had a four-chambered heart. 
C) had lungs equipped with air sacs. 
D) were bipedal and gave rise to the mammals. 
E) appeared at the start of the Paleozoic Era. 
A) developed a land egg. 
B) had a four-chambered heart. 
C) had lungs equipped with air sacs. 
D) were bipedal and gave rise to the mammals. 
E) appeared at the start of the Paleozoic Era.

Question 9

During the life of a tunicate, the notochord

Accepted Answer

A) is present throughout life. 
B) appears only in the larva. 
C) develops during adulthood. 
D) is completely absent. 
E) changes into the nerve cord. 
A) is present throughout life. 
B) appears only in the larva. 
C) develops during adulthood. 
D) is completely absent. 
E) changes into the nerve cord.

Question 10

Which of the following is (are) an important influence(s) on the evolution of mammals?

Accepted Answer

A) continental movements 
B) geographic isolation 
C) competition between species 
D) decline of the dinosaurs 
E) all of these 
A) continental movements 
B) geographic isolation 
C) competition between species 
D) decline of the dinosaurs 
E) all of these

Question 11

Which of the following is not a member of Osteichthyes?

Accepted Answer

A) teleosts 
B) ray-finned fish 
C) lungfish 
D) stingrays 
E) lobe-finned fishes 
A) teleosts 
B) ray-finned fish 
C) lungfish 
D) stingrays 
E) lobe-finned fishes

Question 12

Use the above figure to answer questions 
  
-The letter "C" in the above figure represents which teeth?

Accepted Answer

A) incisors 
B) molars 
C) canines 
D) premolars 
E) none of these 
A) incisors 
B) molars 
C) canines 
D) premolars 
E) none of these

Question 13

Which of the following is (are) common fish adaptation(s) to the challenges of life in water?

Accepted Answer

A) fins 
B) swim bladder 
C) streamlined body 
D) scales 
E) all of these 
A) fins 
B) swim bladder 
C) streamlined body 
D) scales 
E) all of these

Question 14

All EXCEPT which of these statements about tuataras is true?

Accepted Answer

A) They live on islands near New Zealand. 
B) They are more successful now than in the past. 
C) They have a third, median "eye" that links to the brain. 
D) They resemble modern amphibians in brain and locomotion. 
E) They resemble lizards in body form. 
A) They live on islands near New Zealand. 
B) They are more successful now than in the past. 
C) They have a third, median "eye" that links to the brain. 
D) They resemble modern amphibians in brain and locomotion. 
E) They resemble lizards in body form.

Question 15

Amniotes differ from earlier vertebrates by

Accepted Answer

A) their large size. 
B) their three-chambered heart. 
C) their internal fertilization. 
D) the possession of a slimy skin. 
E) having external scales. 
A) their large size. 
B) their three-chambered heart. 
C) their internal fertilization. 
D) the possession of a slimy skin. 
E) having external scales.

Question 16

Which group is considered most ancient?

Accepted Answer

A) Homo erectus 
B) Australopithecus afarensis 
C) Australopithecus africanus 
D) Homo sapiens 
E) Sahelanthropus tchadensis 
A) Homo erectus 
B) Australopithecus afarensis 
C) Australopithecus africanus 
D) Homo sapiens 
E) Sahelanthropus tchadensis

Question 17

Placoderms were among the first fishes to display

Accepted Answer

A) jaws. 
B) gill openings. 
C) cartilaginous skeletons. 
D) jaws and gill openings. 
E) jaws, gill openings, and cartilaginous skeletons. 
A) jaws. 
B) gill openings. 
C) cartilaginous skeletons. 
D) jaws and gill openings. 
E) jaws, gill openings, and cartilaginous skeletons.

Question 18

The placental mammalian counterpart of Australia's spiny anteater is (are) the

Accepted Answer

A) Tasmanian devil. 
B) aardvark. 
C) giant anteater. 
D) woolly lemur. 
E) aardvark and giant anteater. 
A) Tasmanian devil. 
B) aardvark. 
C) giant anteater. 
D) woolly lemur. 
E) aardvark and giant anteater.

Question 19

Both existing mammals and extinct mammal-like groups are

Accepted Answer

A) synapsids. 
B) archosaurs. 
C) sauropsids. 
D) anapsids. 
E) pleiosaurs. 
A) synapsids. 
B) archosaurs. 
C) sauropsids. 
D) anapsids. 
E) pleiosaurs.

Question 20

Adaptations for flight in birds include all EXCEPT which of the following?

Accepted Answer

A) sound production 
B) lightweight bones 
C) feathers 
D) efficient respiration 
E) four-chambered heart 
A) sound production 
B) lightweight bones 
C) feathers 
D) efficient respiration 
E) four-chambered heart

Exam 26: Animal Evolution the Chordates

Birds and crocodiles share which of the following characteristics?

Filter-feeding is used by

Which of these statements about snakes is false?

Pouches in the gut wall developed into __________ in fishes that are ancestral to land vertebrates.

Which of these adaptation(s) is (are) unique to mammals?

Archaeopteryx

Finding a very large crater in the Gulf of Mexico provided support for the

The early amniotes

During the life of a tunicate, the notochord

Which of the following is (are) an important influence(s) on the evolution of mammals?

Which of the following is not a member of Osteichthyes?

Use the above figure to answer questions -The letter "C" in the above figure represents which teeth?

Which of the following is (are) common fish adaptation(s) to the challenges of life in water?

All EXCEPT which of these statements about tuataras is true?

Amniotes differ from earlier vertebrates by

Which group is considered most ancient?

Placoderms were among the first fishes to display

The placental mammalian counterpart of Australia's spiny anteater is (are) the

Both existing mammals and extinct mammal-like groups are

Adaptations for flight in birds include all EXCEPT which of the following?

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