quiz 3/ animal diversity 1 biology lab

what type of symmetry is sponges

asymmetry

What type do symmetry is hydra ?

radial symmetry

What type of symmetry is earthworms and clams

bilateral symmetry

Does hydra have a mouth?

yes, label it.

What phylum is jellyfish and hydra ?

phylum cnidaria

What type of body cavity is present in earthworms? A cross section of an earthworms body is shown below.

eucoelm ( aka coelom )

label an auricle on the planaria

what is number 3 in clam?

anterior adductor muscle

what phylum is clams?

phylum molluska

what type of circulatory does earthworm have?

closed

what type of circulatory does clam have?

open

which organ is labeled 4 on earthworm below? This muscular organ mechanically digests (grinds) food before it enters the intestine.

gizzard

Which organ labeled 2 below? This passageway lies between the mouth and esophagus

pharynx

label osculum on scypha

f

what phylum is flatworm

phylum Platyhelminthes

what phylum is earthworm?

phylum annelida

how many digestive openings in earthworm?

2

how many digestive openings in planarian?

1

what structure is this on earthworm?

clitellum

do clams have a respiratory organ? if so what is it?

gills

What type of body cavity is found in flat worms?

Ascoelom

label incurrent water canals on scytha

C

label choanocytes (collar cells) on scypha

D

label spongocoel on scypha

E

what is the function of the auricles?

sensory organ to detect chemicals in the environment.

label the ( A ) on the planaria

eyespots

label ( B ) on the planaria

intestine

label ( C ) on the planaria

mouth

label 1 on the clam

posterior adductor muscle

label 2 on the clam

foot

label 4 on the clam

mantle

label 5 on the clam

valve ( shell )

label 6 on the clam

gill

label 9 on the clam

anterior adductor

label 1 on the earthworm

mouth

label 3 on the earthworm

crop

label 5 on the earthworm

intestine

label A on body cavity on earthworm

Epidermis

label 6 on the earthworm

hearts

label B on body cavity on earthworm

coelom

label C on body cavity on earthworm

muscle layers

Label D on body cavity on earthworm

intestine

label E on body cavity on earthworm

dorsal blood vessel