Question 1

The molluscs are the second most diverse phylum known.

Accepted Answer

A) True 
 B)False

Question 2

Concerning reproduction in Bivalvia,

Accepted Answer

A)  they tend to be hermaphroditic.
B)  fertilization is usually external.
C)  development is direct (no larva) .
D)  the adult stage is called a glochidium.E) C) and D)
F) None of the above

Question 3

Most cephalopods can move by a kind of jet propulsion by expelling water through their _____________.

Accepted Answer

The answer of Most cephalopods can move by a kind...

Question 4

The Polyplacophora are commonly called _______.

Accepted Answer

The answer of The Polyplacophora are commonly called _______....

Question 5

The shell of a mollusc is rich in the element _____________.

Accepted Answer

The answer of The shell of a mollusc is rich...

Question 6

There are two hypotheses that explain molluscan evolution.In the _______ hypothesis,the wormlike body is the ancestral trait,but in the ______ hypothesis the multiple foot retractor muscles would be the ancestral trait.

Accepted Answer

The answer of There are two hypotheses that explain molluscan...

Question 7

Members of the class Monoplacophora were believed extinct until some living specimens were found off the coast of Costa Rica in 1952.

Accepted Answer

A) True 
 B)False

Question 8

Some bivalves have an operculum which prevents drying when the tide goes out.
Multiple Choice Questions

Accepted Answer

A) True 
 B)False

Exam 10: Molluscs

The Polyplacophora are commonly called _______.

Correct Answer
verified

There are two hypotheses that explain molluscan evolution.In the _ hypothesis,the wormlike body is the ancestral trait,but in the hypothesis the multiple foot retractor muscles would be the ancestral trait.

Correct Answer
verified

The molluscs are the second most diverse phylum known.

Correct Answer
verified

Most cephalopods can move by a kind of jet propulsion by expelling water through their _____________.

Correct Answer
verified

Members of the class Monoplacophora were believed extinct until some living specimens were found off the coast of Costa Rica in 1952.

Correct Answer
verified

Some bivalves have an operculum which prevents drying when the tide goes out. Multiple Choice Questions

Correct Answer
verified

The shell of a mollusc is rich in the element _____________.

Correct Answer
verified

Concerning reproduction in Bivalvia,

Correct Answer
verified

Exam 10: Molluscs

The Polyplacophora are commonly called _______.

Correct AnswerverifiedShow Answer

There are two hypotheses that explain molluscan evolution.In the _______ hypothesis,the wormlike body is the ancestral trait,but in the ______ hypothesis the multiple foot retractor muscles would be the ancestral trait.

Correct AnswerverifiedShow Answer

The molluscs are the second most diverse phylum known.

Correct AnswerverifiedShow Answer

Most cephalopods can move by a kind of jet propulsion by expelling water through their _____________.

Correct AnswerverifiedShow Answer

Members of the class Monoplacophora were believed extinct until some living specimens were found off the coast of Costa Rica in 1952.

Correct AnswerverifiedShow Answer

Some bivalves have an operculum which prevents drying when the tide goes out. Multiple Choice Questions

Correct AnswerverifiedShow Answer

The shell of a mollusc is rich in the element _____________.

Correct AnswerverifiedShow Answer

Concerning reproduction in Bivalvia,

Correct AnswerverifiedShow Answer

Correct Answer
verified

There are two hypotheses that explain molluscan evolution.In the _ hypothesis,the wormlike body is the ancestral trait,but in the hypothesis the multiple foot retractor muscles would be the ancestral trait.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified