Question 1

The early amphibian Tiktaalik either crawled or paddled in shallow tropical streams about 380 mya,during the late Devonian period.These shallow waters often became anaerobic.What selective advantage did Tiktaalik have under these conditions?

Accepted Answer

A)   It could lift its head out of the water and breathe air through its gills.
B)   It could crawl out of the water and walk over to new shallow streams.
C)   It could swim better than fish.
D)   It could crawl on shore and feed on birds and reptiles that were on land.
E)   It could breathe air through its lungs.F) A) and B)
G) A) and C)

Question 2

Which of the following is not an animal?

Accepted Answer

A)   penguin
B)   mushroom
C)   shrimp
D)   sponge
E)   spiderF) A) and E)
G) C) and D)

Question 3

An invertebrate is an animal that

Accepted Answer

A)   does not have a backbone.
B)   has a backbone.
C)   has a complete digestive tract.
D)   has an incomplete digestive tract.
E)   does not have true tissues.F) A) and E)
G) D) and E)

Question 4

The most successful phylum with regards to diversity and numbers is

Accepted Answer

A)   Mollusca.
B)   Nematoda.
C)   Platyhelminthes.
D)   Arthropoda.
E)   Echinodermata.F) All of the above
G) B) and E)

Question 5

The embryonic germ layer of tissue in animals that develops into the skin and nervous system is the

Accepted Answer

A)   pachyderm.
B)   endoderm.
C)   mesoderm.
D)   protoderm.
E)   ectoderm.F) C) and D)
G) All of the above

Question 6

Spiders and scorpions belong to the phylum

Accepted Answer

A)   Cnidaria.
B)   Echinodermata.
C)   Annelida.
D)   Mollusca.
E)   Arthropoda.F) C) and D)
G) D) and E)

Question 7

An internal membrane in chordates that protects the developing fetus is the notochord.

Accepted Answer

A) True 
 B)False

Exam 17: Evolution and Diversity of Animals

Which of the following is not an animal?

Correct Answer
verified

The early amphibian Tiktaalik either crawled or paddled in shallow tropical streams about 380 mya,during the late Devonian period.These shallow waters often became anaerobic.What selective advantage did Tiktaalik have under these conditions?

Correct Answer
verified

Spiders and scorpions belong to the phylum

Correct Answer
verified

An internal membrane in chordates that protects the developing fetus is the notochord.

Correct Answer
verified

An invertebrate is an animal that

Correct Answer
verified

The most successful phylum with regards to diversity and numbers is

Correct Answer
verified

The embryonic germ layer of tissue in animals that develops into the skin and nervous system is the

Correct Answer
verified

Exam 17: Evolution and Diversity of Animals

Which of the following is not an animal?

Correct AnswerverifiedShow Answer

The early amphibian Tiktaalik either crawled or paddled in shallow tropical streams about 380 mya,during the late Devonian period.These shallow waters often became anaerobic.What selective advantage did Tiktaalik have under these conditions?

Correct AnswerverifiedShow Answer

Spiders and scorpions belong to the phylum

Correct AnswerverifiedShow Answer

An internal membrane in chordates that protects the developing fetus is the notochord.

Correct AnswerverifiedShow Answer

An invertebrate is an animal that

Correct AnswerverifiedShow Answer

The most successful phylum with regards to diversity and numbers is

Correct AnswerverifiedShow Answer

The embryonic germ layer of tissue in animals that develops into the skin and nervous system is the

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified