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Name the model?
Hydra

What is A?
Tentacles

B
Epidermis

C
Gastric cavity

D
Bud

E
Testes

F
Ovary

G
Mouth

H
Cnidocyte

What is this?
Hydra

What is the model?
Earthworm

A
Heart

B
Dorsal blood vessel

C
Ventral blood vessel

D
Digestive system

What model is this?
Land snail

A
Visceral mass
What is the organs surrounded by?
Visceral mass

B
Mantel with shell

C
Foot

What is the model
Sea star

What insects model is this
Grasshopper

A
Wrong

B
Antenna

C
Eyes

D
Mouth

E
Spiracles

F
Forelegs

G
Ovipositor

H
Hindlegs

What is this model
Shark model

A

B
Gills

C
Liver

D
Pectoral fins

E
Stomach

F
Intestines

G
Uterus with pup

What is the back of the head
Brain

What is this
Notochord

What is this
Dorsal fin

What is this
Oral disc

What is this
External gill slits

A
Spinal cord

B
Notochord

What is this?
Keel

What is this?
Scapula

What is this
Humerus