Porifera
Cnidaria
Platyhelminthes
Mollusca
Annelida
100

True or False, sponges have true tissues?

False

100

What are Cnidarians named after?

Cnidocytes

100

How many germ layers do Platyhelminthes have?

3

100

This Class is the youngest of the four we talked about in class

Cephalopoda

100

This class is named after their clitellum

Clitellata

200

What is the cell on the left?


Choanocyte

200

How many germ layers do Cnidarians have?

Two

200

What is the class of this animal?


Trematoda

200

What is this class?


Polyplacophora

200

What class do leeches belong to?

Clitellata

300

What is the grade of sponge below?


Asconoid

300

 What class's lifecycle is shown below?


Hydrozoa

300

Does this phylum have a coelom?

No

300

What is this?


Trochophore

300

The bristle-like hairs on a worm are called

Setae
400

This Class has 6-pointed spicules made of silica

Hexactinellida

400

What is this?


Ephyra

400

What is this structure called?


Scolex

400

What is E?


Posterior Adductor Muscle

400

What are the large cream colored organs?


Seminal Receptacles

500

What are the incurrent and out current siphons called in sponges?

Ostia and osculum

500

Name the class of this organism


Octocorallia

500

What is the class of this organism?


Cestoda

500

This the door that gastropods use to cover their Apertures.

Operculum

500

How are you going to ace this exam?

Study and don't procrastinate!