Question 1

Jaws first occurred in which extant group of fishes?

Accepted Answer

A)   lampreys
B)   chondrichthyans
C)   ray-finned fishes
D)   lungfishes
E)   placodermsF) A) and B)
G) B) and E)

Question 2

A trend first observed in the evolution of the earliest tetrapods was

Accepted Answer

A)   the appearance of jaws.
B)   the appearance of bony vertebrae.
C)   feet with digits.
D)   the mineralization of the endoskeleton.
E)   the amniotic egg.F) C) and D)
G) A) and D)

Question 3

A sponge's structural materials (spicules, spongin)  are manufactured by the

Accepted Answer

A)   pore cells.
B)   epidermal cells.
C)   choanocytes.
D)   amoebocytes.E) A) and C)
F) None of the above

Question 4

Which of the following is (are)  unique to animals?

Accepted Answer

A)   cells that have mitochondria
B)   the structural carbohydrate, chitin
C)   nervous conduction and muscular movement
D)   heterotrophy
E)   flagellated gametesF) C) and E)
G) A) and B)

Question 5

Which clade does not include humans?

Accepted Answer

A)   synapsids
B)   lobe-fins
C)   lophotrochozoans
D)   tetrapods
E)   osteichthyansF) A) and E)
G) B) and C)

Question 6

Which of the following are the most abundant and diverse of the extant vertebrates?

Accepted Answer

A)   ray-finned fishes
B)   birds
C)   amphibians
D)   nonbird reptiles
E)   mammalsF) A) and B)
G) A) and C)

Question 7

In the figure given below, the Deuterostomia clade is most closely related to which two main clades?

Accepted Answer

A)   Ctenophora and Cnidaria
B)   Lophotrochozoa and Ecdysozoa
C)   Cnidaria and Bilateria
D)   Platyhelminthes and Rotifera
E)   Echinodermata and HemichordataF) D) and E)
G) A) and E)

Exam 27: The Rise of Animal Diversity

Which clade does not include humans?

Correct Answer
verified

Jaws first occurred in which extant group of fishes?

Correct Answer
verified

Which of the following are the most abundant and diverse of the extant vertebrates?

Correct Answer
verified

Which of the following is (are) unique to animals?

Correct Answer
verified

A sponge's structural materials (spicules, spongin) are manufactured by the

Correct Answer
verified

In the figure given below, the Deuterostomia clade is most closely related to which two main clades?

Correct Answer
verified

A trend first observed in the evolution of the earliest tetrapods was

Correct Answer
verified

Exam 27: The Rise of Animal Diversity

Which clade does not include humans?

Correct AnswerverifiedShow Answer

Jaws first occurred in which extant group of fishes?

Correct AnswerverifiedShow Answer

Which of the following are the most abundant and diverse of the extant vertebrates?

Correct AnswerverifiedShow Answer

Which of the following is (are) unique to animals?

Correct AnswerverifiedShow Answer

A sponge's structural materials (spicules, spongin) are manufactured by the

Correct AnswerverifiedShow Answer

In the figure given below, the Deuterostomia clade is most closely related to which two main clades?

Correct AnswerverifiedShow Answer

A trend first observed in the evolution of the earliest tetrapods was

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified