Quiz about Phylum Mollusca, Arthropoda, and Echinodermata

Question 1

Nudibranch

Accepted Answer

Gastropoda

Answer

Bivalvia

Answer

Cephalopoda

Answer

Polyplacophora

Question 2

Chitons

Accepted Answer

Polyplacophora

Answer

Bivalvia

Answer

Cephalopoda

Answer

Gastropoda

Question 3

Nautilus

Accepted Answer

Cephalopoda

Answer

Bivalvia

Answer

Gastropoda

Answer

Polyplacophora

Question 4

Scallops

Accepted Answer

Bivalvia

Answer

Cephalopoda

Answer

Gastropoda

Answer

Polyplacophora

Question 5

Cuttlefish

Accepted Answer

Cephalopoda

Answer

Bivalvia

Answer

Gastropoda

Answer

Polyplacophora

Question 6

A rasping, tongue-like organ with backwards facing teeth.

Accepted Answer

Radula

Answer

Buccal Cavity

Answer

Ctenidia

Answer

Foot

Answer

Mantle

Question 7

Material that composes the inner layer of the mollusk shell.

Accepted Answer

Nacre

Answer

Buccal Cavity

Answer

Ctenidia

Answer

Foot

Answer

Mantle

Question 8

Name for the middle layer of a mollusk shell.

Accepted Answer

Prismatic

Answer

Buccal Cavity

Answer

Ctenidia

Answer

Foot

Answer

Mantle

Question 9

Organs that remove metabolic wastes from a mollusk's body.

Accepted Answer

Nephridia

Answer

Buccal Cavity

Answer

Ctenidia

Answer

Foot

Answer

Mantle

Question 10

Mollusks are considered

Accepted Answer

triploblastic with three germ layers

Answer

monoblastic with one germ layer

Answer

diploblastic with two germs layers

Answer

quadroblastic with four germ layers

Question 11

The term mollusk means

Accepted Answer

soft

Answer

smooth

Answer

rough

Answer

hard

Question 12

The second larval stage of many mollusks which has large, ciliated lobes and the beginnings of a foot, shell, and mantle is called a(n)

Accepted Answer

veliger

Answer

instar

Answer

planula

Answer

trochophore

Question 13

The term Bivalve means this:

Accepted Answer

two shell

Answer

two head

Answer

two foot

Answer

two siphon

Question 14

An external body part that protrudes from an organism's body.

Accepted Answer

Appendage

Answer

Book Lungs

Answer

Cephalothorax

Answer

Exoskeleton

Answer

Spiracles

Question 15

Openings to the tracheae which open and close using valves.

Accepted Answer

Spiracles

Answer

Appendage

Answer

Book Lungs

Answer

Cephalothorax

Answer

Exoskeleton

Question 16

The strong but flexible outer covering of an arthropod.

Accepted Answer

Exoskeleton

Answer

Appendage

Answer

Book Lungs

Answer

Cephalothorax

Answer

Spiracles

Question 17

Simple eyes in an arthropod.

Accepted Answer

Ocelli

Answer

Ecdysis

Answer

Larva

Answer

Nymph

Answer

Pupa

Question 18

The stage of complete metamorphosis in which the organism is enclosed within a protective capsule.

Accepted Answer

Pupa

Answer

Ecdysis

Answer

Larva

Answer

Nymph

Answer

Ocelli

Question 19

Arthropods are considered

Accepted Answer

triploblastic with three germ layers

Answer

monoblastic with only one germ layer

Answer

diploblastic  with only two germ layers

Answer

quadroblastic with four germ layers

Question 20

Arthropods are considered

Accepted Answer

coelomate protostomes

Answer

acoelomate deuterostomes

Answer

acoelomate protostomes

Answer

coelomate deuterostomes

Question 21

The specialization of regions of the arthropod body for specific function is called

Accepted Answer

tagmatization

Answer

metamerism

Answer

differentiation

Answer

diversification

Question 22

Arachnids must ingest this type of food:

Accepted Answer

liquid

Answer

solid

Answer

living

Answer

non-living

Question 23

What group of arthropods are nicknamed "living fossils"?

Accepted Answer

horseshoe crabs

Answer

spiders

Answer

trilobites

Answer

barnacles

Question 24

Pincer-like appendages used for protecting and cleaning the surface of the body,

Accepted Answer

Pedicellariae

Answer

Aboral

Answer

Madreporite

Answer

Ocelli

Answer

Oral

Question 25

The side of an echinoderm opposite the mouth.

Accepted Answer

Aboral

Answer

Madreporite

Answer

Ocelli

Answer

Oral

Answer

Ossicles

Question 26

The sieve-like, disk-shaped opening on the aboral surface of the body.

Accepted Answer

Madreporite

Answer

Aboral

Answer

Ocelli

Answer

Oral

Answer

Ossicles

Question 27

Echinoderms are considered

Accepted Answer

coelomate deuterostomes

Answer

acoelomate deuterostomes

Answer

acoelomate protostomes

Answer

coelomate protostomes

Question 28

The word echinoderm mean this

Accepted Answer

spiny skin

Answer

lily like

Answer

water polyp

Answer

five arms

Question 29

Bilaterally symmetrical, free swimming echinoderm larva are called

Accepted Answer

bipinnaria

Answer

instars

Answer

planula

Answer

trochophore

Question 30

When a sea cucumber expels its internal organs to confuse predators it is called

Accepted Answer

evisceration

Answer

dessication

Answer

dissipation

Answer

expiation

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