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Life, 4/e

Ricki Lewis, University of New York at Albany
Mariëlle Hoefnagels, University of Oklahoma
Douglas Gaffin, University of Oklahoma
Bruce Parker, Utah Valley State College

Animalia I--Sponges Through Echinoderms

Chapter Quiz


1	Which of these traits is not included in the definition of an animal?
		A)	multicellular
		B)	eukaryote
		C)	cell wall
		D)	pass through immature developmental stages


2	What is/are the most likely immediate ancestor to the animals?
		A)	choanoflagellates
		B)	protists
		C)	arthropods
		D)	paramecium


3	True or false. Unlike the other kingdoms, cell and molecular data have not been used in the classification of animals.
		A)	True
		B)	False


4	True or false. Hydra, sea anemones and other members of the phylum Cnidaria are bilaterally symmetrical.
		A)	True
		B)	False


5	Bilaterally symmetrical animals _____________.
		A)	show cephalization
		B)	have a dorsal side
		C)	have a ventral side
		D)	All of these are correct.


6	Animals lacking a coelom are called _____________.
		A)	acoelomate
		B)	pseudocoelomate
		C)	coelomate
		D)	radially symmetrical


7	A human embryo is ______________.
		A)	monoblastic
		B)	diploblastic
		C)	triploblastic
		D)	None of these is correct.


8	Animals that undergo __________________ hatch from eggs or are born resembling adults of the species.
		A)	metamorphosis
		B)	direct development
		C)	indirect development
		D)	cephalization


9	True or false. Echinoderms are deuterostomes.
		A)	True
		B)	False


10	Which of the following groups could produce identical twins (two individuals from the same fertilized egg)?
		A)	annelids
		B)	mollusks
		C)	chordates
		D)	arthropods
		E)	All of these are correct.


11	Cells that produce a current and propel water and food into the spongocoel of sponges are called _______________.
		A)	ostia
		B)	choanocytes
		C)	pinacocytes
		D)	amoebocytes


12	Nematocysts can be used by cnidarians for ___________.
		A)	locomotion
		B)	capturing prey
		C)	defense
		D)	All of these are correct.


13	Corals are now endangered in many areas because of _________________.
		A)	tourists removing coral samples
		B)	soil erosion from nearby land and construction
		C)	nitrogen and phosphorus from fertilizer
		D)	bacterial infections
		E)	Both a and c are correct.
		F)	All of these are correct.


14	Protonephridial cells (flame cells) in flatworms function in ____________.
		A)	respiration
		B)	circulation
		C)	excretion
		D)	chemosensation


15	Nematodes have ______________.
		A)	complete digestive systems
		B)	respiratory systems
		C)	complex circulatory systems
		D)	well-developed heads


16	Which of the following is used by mollusks for feeding?
		A)	visceral mass
		B)	radula
		C)	foot
		D)	mantle


17	The octopus is an example of a(n) ____________.
		A)	cephalopod
		B)	arthropod
		C)	trochophore
		D)	gastropod


18	Which of the following groups of annelids is not hermaphroditic?
		A)	leeches
		B)	polychaetes
		C)	oligochaetes
		D)	All of these are not hermaphroditic.


19	True or false. The main identifying trait for the annelids is metamerism.
		A)	True
		B)	False


20	The spiracles in arthropods function in ___________.
		A)	respiration
		B)	excretion
		C)	circulation
		D)	transporting nervous impulses


21	The subphylum of the phylum Arthropoda that is primarily aquatic is ______________.
		A)	Chelicerata
		B)	Uniramia
		C)	Crustacea
		D)	None of these is correct.


22	What characteristic distinguishes the echinoderms?
		A)	radial symmetry
		B)	pedicellariae
		C)	water vascular system
		D)	Both b and c are correct.
		E)	All of these are correct.


23	Echinoderms are most closely related to which of these groups of animals?
		A)	annelids
		B)	arthropods
		C)	chordates
		D)	mollusks

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