Question 1

Based on molecular data and skull features, what reptile(s)  has an independent lineage from all other reptiles?

Accepted Answer

A)   lizards
B)   snakes
C)   turtles
D)   crocodiles
E)   lizards and crocodiles have independent lineagesF) A) and E)
G) A) and D)

Question 2

Explain the four features necessary to classify an organism as a vertebrate.

Accepted Answer

The answer should include:
1. ...

Question 3

Which of the following groups had made their appearance during the Ordovician period?

Accepted Answer

A)   jawless and jawed fish
B)   jawed fish and amphibians
C)   amphibians and reptiles
D)   reptiles and mammals
E)   All of these groups had appeared by the Ordovician period.F) C) and D)
G) All of the above

Question 4

Most salamanders practice internal fertilization

Accepted Answer

A)   using spermatophores.
B)   externally in water.
C)   internally by copulation.
D)   just like frogs.E) All of the above
F) C) and D)

Question 5

Which of these characteristics first developed in reptiles?

Accepted Answer

A)   amniotic egg
B)   scales on skin
C)   four-legged body
D)   skull and vertebral column
E)   animals living completely on landF) D) and E)
G) B) and C)

Question 6

Which of the following groups are considered chordates but are lacking the vertebral column trait?

Accepted Answer

A)   osteichthyes & urochordata
B)   urochordata & cephalochordates
C)   cephalochordates & chondrichthyes
D)   sea squirts & chondrichthyesE) A) and C)
F) A) and B)

Question 7

Among the chordates, which features are unique to the tunicates?

Accepted Answer

A)   leathery outer covering and an excurrent siphon
B)   gill slits and bilateral symmetry
C)   sexual reproduction and complete digestive system
D)   sessile adult stage and aquatic lifestyle
E)   leathery outer covering and sessile adult stageF) B) and E)
G) A) and E)

Question 8

Reptiles evolved from ______ ancestors and were abundant by the ________ Period.

Accepted Answer

A)   mammals; Carboniferous
B)   fish; Devonian
C)   echinoderms; Cambrian
D)   amphibians; PermianE) A) and D)
F) B) and C)

Question 9

The jawed fish and all other vertebrates are gnathostomes, which means they have

Accepted Answer

A)   segmentation.
B)   jaws.
C)   a notochord that develops into a vertebral column.
D)   amniotic eggs.
E)   exoskeletonsF) B) and E)
G) A) and E)

Question 10

Predacious meat eaters with large and conical-shaped canines are

Accepted Answer

A)   cetaceans.
B)   chiroptera.
C)   carnivores.
D)   proboscidea.E) A) and B)
F) A) and C)

Question 11

Name the two groups of organisms that are classified as nonvertebrate chordates and indicate their unique features.

Accepted Answer

The cephalochordates (lancelets) and uro...

Question 12

The organ of nutrition used in fetal development in the most successful mammals is the

Accepted Answer

A)   mammary gland.
B)   egg.
C)   pouch.
D)   placenta.
E)   marsupium.F) A) and E)
G) A) and D)

Question 13

Which of these characteristics is NOT found in the amphibians?

Accepted Answer

A)   thin moist skin
B)   two-chambered heart
C)   small inefficient lungs
D)   aquatic larvae
E)   eggs with gelatinous coveringF) A) and D)
G) A) and C)

Question 14

The cephalochordates possess an atrium that is used to filter microscopic food particles out of the water.

Accepted Answer

A) True 
 B)False

Question 15

Which feature is found in the bony fish but not in the cartilaginous fish?

Accepted Answer

A)   scales
B)   lateral line system for detecting prey
C)   endothermy
D)   ectothermy
E)   swim bladderF) B) and C)
G) B) and D)

Question 16

All chordates are also vertebrates.

Accepted Answer

A) True 
 B)False

Exam 29: Vertebrate Evolution

Which feature is found in the bony fish but not in the cartilaginous fish?

Correct Answer
verified

Which of the following groups had made their appearance during the Ordovician period?

Correct Answer
verified

The jawed fish and all other vertebrates are gnathostomes, which means they have

Correct Answer
verified

Which of these characteristics first developed in reptiles?

Correct Answer
verified

Explain the four features necessary to classify an organism as a vertebrate.

Correct Answer
verified
The answer should include:
1. ...
View Answer

All chordates are also vertebrates.

Correct Answer
verified

Based on molecular data and skull features, what reptile(s) has an independent lineage from all other reptiles?

Correct Answer
verified

Name the two groups of organisms that are classified as nonvertebrate chordates and indicate their unique features.

Correct Answer
verified
The cephalochordates (lancelets) and uro...
View Answer

The organ of nutrition used in fetal development in the most successful mammals is the

Correct Answer
verified

Which of the following groups are considered chordates but are lacking the vertebral column trait?

Correct Answer
verified

Predacious meat eaters with large and conical-shaped canines are

Correct Answer
verified

Most salamanders practice internal fertilization

Correct Answer
verified

Reptiles evolved from ancestors and were abundant by the __ Period.

Correct Answer
verified

Among the chordates, which features are unique to the tunicates?

Correct Answer
verified

Which of these characteristics is NOT found in the amphibians?

Correct Answer
verified

The cephalochordates possess an atrium that is used to filter microscopic food particles out of the water.

Correct Answer
verified

Exam 29: Vertebrate Evolution

Which feature is found in the bony fish but not in the cartilaginous fish?

Correct AnswerverifiedShow Answer

Which of the following groups had made their appearance during the Ordovician period?

Correct AnswerverifiedShow Answer

The jawed fish and all other vertebrates are gnathostomes, which means they have

Correct AnswerverifiedShow Answer

Which of these characteristics first developed in reptiles?

Correct AnswerverifiedShow Answer

Explain the four features necessary to classify an organism as a vertebrate.

Correct AnswerverifiedThe answer should include:1. ...View AnswerShow Answer

All chordates are also vertebrates.

Correct AnswerverifiedShow Answer

Based on molecular data and skull features, what reptile(s) has an independent lineage from all other reptiles?

Correct AnswerverifiedShow Answer

Name the two groups of organisms that are classified as nonvertebrate chordates and indicate their unique features.

Correct AnswerverifiedThe cephalochordates (lancelets) and uro...View AnswerShow Answer

The organ of nutrition used in fetal development in the most successful mammals is the

Correct AnswerverifiedShow Answer

Which of the following groups are considered chordates but are lacking the vertebral column trait?

Correct AnswerverifiedShow Answer

Predacious meat eaters with large and conical-shaped canines are

Correct AnswerverifiedShow Answer

Most salamanders practice internal fertilization

Correct AnswerverifiedShow Answer

Reptiles evolved from ______ ancestors and were abundant by the ________ Period.

Correct AnswerverifiedShow Answer

Among the chordates, which features are unique to the tunicates?

Correct AnswerverifiedShow Answer

Which of these characteristics is NOT found in the amphibians?

Correct AnswerverifiedShow Answer

The cephalochordates possess an atrium that is used to filter microscopic food particles out of the water.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The answer should include:
1. ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The cephalochordates (lancelets) and uro...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Reptiles evolved from ancestors and were abundant by the __ Period.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified