Chapter 8/9 Flashcards
Structures found in tapeworms but not in other flatworms are
Strobila, scolex, and proglottids
True/False
Adult tapeworms live in the digestive tract of vertebrates
True
Turbellarians have light-sensitive organs called ________
Ocellia
In contrast to other flatworms, tapeworms lack a ___________________.
Digestive system
Some characteristics of flatworms and ribbon worms are
Bilateral symmetry, triploblasitc, acoelomate
Rotifers have a unique ciliated crown known as a _____________.
Corona
An organism with three distinct germ layers is termed
Triploblastic
True/False
Many rotifers can reproduce parthenogenetically
True
Rotifers
Are dioecious
True/False
Flame cells are the primary excretory structures in rotifers
False
Free-living flatworms have
Ocellia, tactile cells, and chemoreceptors