Chapter 8/9 Flashcards Preview

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Flashcards in Chapter 8/9 Deck (11)
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1
Q

Structures found in tapeworms but not in other flatworms are

A

Strobila, scolex, and proglottids

2
Q

True/False

Adult tapeworms live in the digestive tract of vertebrates

A

True

3
Q

Turbellarians have light-sensitive organs called ________

A

Ocellia

4
Q

In contrast to other flatworms, tapeworms lack a ___________________.

A

Digestive system

5
Q

Some characteristics of flatworms and ribbon worms are

A

Bilateral symmetry, triploblasitc, acoelomate

6
Q

Rotifers have a unique ciliated crown known as a _____________.

A

Corona

7
Q

An organism with three distinct germ layers is termed

A

Triploblastic

8
Q

True/False

Many rotifers can reproduce parthenogenetically

A

True

9
Q

Rotifers

A

Are dioecious

10
Q

True/False

Flame cells are the primary excretory structures in rotifers

A

False

11
Q

Free-living flatworms have

A

Ocellia, tactile cells, and chemoreceptors